Wednesday

April 16, 2014

April 16, 2014

Number of results: 264,852

**Math**

Write each number in expanded form using exponents. Pls check 1, 234 (1*10^3)+(3*10^2)+(2×10^1)+4 210, 290, 450 (2*10^8)+(1*10^7)+(2*10^6)+(9*10^5)+(4*10^4)+5 7,123,456,089 (7*10^9)+(1*10^8)+(2*10^7)+(3*10^6)+(4*10^5)+(5*10^4)+(6*10^3)+(8*10^2)+(9*10^1)
*Monday, September 16, 2013 at 8:23pm by Gio*

**math log PLEAseee helpp pretty please!!!**

solve for first x 10^y=(x-2) x= 10^y +2 solve for the second x y-1=log(x+1) 10^(y-1)=x+1 or x= 10^(y-1) +1 the x=x, y=y 10^(y-1)+1=10^y +2 remember a^(b-c)= a^b/a^c so 10^y/10 + 1=10^y +2 10^y (-9/10)=1 or -9*10^y=10 log of each side -9 +y=1 y=10 so, now figure x.. x= 10^(y-1...
*Thursday, January 20, 2011 at 1:00pm by bobpursley*

**Math**

what would happen to your fractions if you changed them all to having a common denominator of 10 4/10 --- 6/10 1/10 --- 3/10 8/10 --- 10/10 or 1 7/10 or 1--- 9/10 13/10 or 1--- 5/10 did you notice that the numerator of the OUT is 2 less than the numerator of the IN ?
*Monday, May 6, 2013 at 6:50pm by Reiny*

**For Mattie - Math**

2 X 10 square + 3 X 10 to the first + 5 X 10 to the zero +7 X 10 to the negative one in "math" = 2(10^2) + 3(10) + 5(10^0) + 7(10^-1) = 200 + 30 + 5 + 7/10 =235.7 looks like we have the number 235.7 decomposed into its different position values.
*Friday, December 7, 2012 at 7:18am by Reiny*

**7th grade math - can't figure this out!**

Ummmh, doesn't 10^5 mean 10 x 10 x 10 x 10 x 10 ?? So if we multiply by another 10 , how many 10's will we have now ?
*Wednesday, October 3, 2012 at 8:11pm by Reiny*

**math**

For n=1, 3^(n-1)/10 = 1/10 For n=2, 3^1/10 = 3/10 For n=3, 3^2/10 = 9/10 For n=4, 3^3/10 = 27/10 The ratio of successive terms is 3. I don't know why you wrote "bracket" at the end of your question.
*Thursday, November 5, 2009 at 11:10pm by drwls*

**MATH **

Do a little investigation and you'll see the pattern 10^0 = 1 10^-1 = 1/10 = 0.1 10^-2 = 1/100 = 0.01 ... a billion is a thousand million = 10^3 * 10^6 = 10^9 I think you meant 10^5 -- that would be a 1 with 5 zeros = 10000
*Monday, October 17, 2011 at 8:54pm by Steve*

**math**

I assume 0 through 9 are allowed and repeats are possible. For example 000-0000 is allowed. How many prefixes? 10*10*10 = 1,000 how many digits 10*10*10*10 = 10,000 so 10^3 * 10^4 = 10^7 = 10 million I guess that is why they needed area codes.
*Thursday, May 13, 2010 at 8:11pm by Damon*

**math**

or, if you know the laws of exponents, 10^m / 10^n = 10^(m-n) if m=n, say 3, 10^3/10^3 = 10^(3-3) = 10^0 but 10^3/10^3 = 1 10^(m-m) = 10^0 = 10^m/10^m = 1
*Wednesday, January 9, 2013 at 5:24pm by Steve*

**Math**

pretty slim data how about 2 10 10 10 10 10 ... or 2 10 10 2 or 2 10 10 300
*Tuesday, January 1, 2013 at 5:24pm by Steve*

**math**

6 1/2 - 4 7/10 When we subtract fractions, we must use a common denominator. 6 1/2 = 6 5/10 6 5/10 - 4 7/10 Now we need to borrow (or regroup). 6 5/10 = 5 15/10 5 15/10 - 4 7/10 = 1 8/10 = 1 4/5
*Monday, May 7, 2012 at 12:50pm by Ms. Sue*

**math**

list the values in ascending order: x x x x x median: 10 (middle value is 10) x x 10 x x smallest: 10 (first value is 10) 10 x 10 x x mode=10: (no new values possible between smallest and median, which are the same) 10 10 10 x x range: 15 10 10 10 x 25 mean: 14 (means sum = 70...
*Wednesday, February 15, 2012 at 8:57pm by Steve*

**i don't understand this math**

1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the population of ...
*Wednesday, September 12, 2012 at 5:35pm by Nyla*

**math**

1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the population of ...
*Wednesday, September 12, 2012 at 3:37pm by Nyla*

**math help**

1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the population of ...
*Wednesday, September 12, 2012 at 3:50pm by :)*

**math help**

1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the population of ...
*Wednesday, September 12, 2012 at 4:25pm by :)*

**Math - Pre algebra**

Help!!! 1. which of the following is greater than 4.3 x 10>9? a 2.1 x 10>9 b 3.2 x 10>9 c 5.3x 10>9 d 7.4 x 10>8 2. which of the following is less than 6.5 x 10>-5? a 1.4 x 10>-3 b 2.5 x 10-4 c 7.8 x 10-5 d 4.6 x 10>-6 according to the 2010 census the ...
*Thursday, November 15, 2012 at 7:43pm by E.M*

**math**

There could be two fact families. 10 = 7 + ? 10 = ? + 7 10 - ? = 7 10 - 7 = ? 10 = 8 + ? 10 = ? + 8 10 - ? = 8 10 - 8 = ? I hope this helps.
*Tuesday, January 19, 2010 at 9:25pm by PsyDAG*

**math**

To solve your problem you need to multiply. 10/7 is not 1 3/10. 10/7 = 1 3/7 9/10 of 10/7 = 9/10 * 10/7 9/10 * 10/7 = 90/70 = 1 20/70 = 1 2/7
*Tuesday, January 22, 2008 at 7:05pm by Ms. Sue*

**math/chem**

1) 35.72 x 0.00590 2) 0.4832/5.12 3) (6.09 x 10^-1)(9.08 x 10^5) 4) (7.79 x 10^4)(4.56 x 10^3)/ (2.93 x10^3)(3.2 x 10^2) 5) 2.3 x 10^2 + 7.16 x 10^5
*Saturday, September 12, 2009 at 5:29pm by jay*

**Math!**

ok, here are the rest. Looks like some review is in order. when you multiply, you add powers. when you divide, you subtract powers. so (5 x 10^2) ÷ (2 x 10^3) = 5÷2 x 10^-2 ÷ 10^3 = 2.5 x 10^-5 (2.56 x 10^6) x (3.56 x 10^2) = 2.56x3.56 x 10^6x10^2 = 9.1136x10^8 population ...
*Friday, September 27, 2013 at 12:37pm by Steve*

**math**

Solve the following and express the answer in scientific notation: 10^3 x 10^4 x 10^-2 A. 10^5 B. 10^6 C. 10^7 d. 10^8 I say A
*Wednesday, November 7, 2012 at 4:27pm by shana*

**Chemistry**

No, 10/0 is an indeterminate value. You can prove that to yourself. 10/0 = 0 but 0*0 = 0 which isn't 10. 10/0 = 1 but 1*0 = 0 which isn't 10. 10/0 = 5 but 5*0 = 0 which isn't 10. 10/0 = 1,000 but 1000*0 = 0 which isn't 10. etc. The bottom line to the answer of 10/0 = any ...
*Wednesday, February 9, 2011 at 12:04am by DrBob222*

**6grade math**

1mm (1 milimeter)=(1/1000m)=10^-3m 1ė=1mikron=1/1000mm=10^(-3)mm=10^(-6)m 1mė=1milimikron=(1/1000)ė=10^(-3)ė= 10^(-9)m 2.5m=2.5/10^(-9)=2.5*10^9= 2500000000 mė
*Tuesday, March 29, 2011 at 8:35pm by Anonymous*

**5 grade math**

3/10 + 5/10 = 8/10 can you do the rest? 1/2 of 10 is 5, so 5/10..... it comes to 8/10 then 8 4 - = - 10 5
*Friday, February 3, 2012 at 6:53pm by 12-year-old-poet*

**Math**

1.23*10^-10/1.4*10^-8 = 0.879*10^-2 = 8.79*10^-3. When dividing, subtract the exponents: -10 - (-8) = -10 + 8 = -2.
*Thursday, October 17, 2013 at 7:07pm by Henry *

**Math**

11 5/10 9 1/10 + 7 2/5 you have to find the common denominators of 1/10 and 2/5 which is 10 so you leave 1/10 the same and multiply 2/5 with 2 each to get 4/10 then you add 1/10 + 4/10 which is equal to 5/10. now that you got that just add the 9+7 you get 11 so your answer is ...
*Saturday, October 8, 2011 at 12:07pm by samantha*

**4th grade math**

2 1/5 = 2 2/10 2 3/5 = 2 6/10 2 2/10 + 3 2/10 + 2 6/10 = 7 10/10 = 8 = 80/10
*Tuesday, March 18, 2014 at 5:22pm by Ms. Sue*

**Math**

1. (6.0 x 10^5) x (3.0 x 10^4) = a. 18 x 10^20 b. 18 x 10^9 c. 1.8 x 10^20 d. 1.8 x 10^9 2. (5 x 10^-2) ÷ (2 x 10^3) = a. 2.5 x 10^-5 b. 2.5 x 10^-1 c. 25 x 10^1 d. 25 x 10^2 3. (2.56 x 10^6) x (3.56 x 10^2) = a. 9.1136 x 10^12 b. 91.136 x 10^8 c. 9.1136 x 10^8 d. 91.136 x 10^...
*Thursday, September 13, 2012 at 3:46pm by Chase*

**math**

5.432 x 10^2 6.700008 x 10^3 The number you have in front must be between 1 and below 10. You multiply that by ten to a certain power. Ex: 10^0 = 1, 10^1 = 10. 5.0 x 10^1 = 50. Remember to retain all significant figures.
*Tuesday, September 9, 2008 at 4:27pm by Angela*

**algebra**

(3.2 x 10^5) (2 x 10^-3) ------------------------- (2 x 10^-3) I got 1.6 x 10^5 like this, (3.2 x 10^5) (2 x 10^-3) ------------ x ----------- (2 x 10^-5) (2 x 10^-5) (3.2 x 10^5) (2 x 10^-3) ------------ x (2 x 10^-5) (3.2 x 10^5) ------------ > 3.2 10^5 (2 x 10^10...
*Wednesday, November 19, 2008 at 9:29pm by Seth*

**Math**

Using 10^n = x (mod 9). Given that d=2935107 =2*10^6 + 9*10^5 + 3*10^4 + 5*10^3 + 1*10^2 + 0*10^1 + 7^10^0 Then d = kx (mod 9). What is the smallest positive value of k?
*Friday, October 26, 2012 at 11:54am by Anonymous*

**Math help please**

7. In the expression 7x 5x2 + 5, what is the coefficient of x? 7 5 5 7 8. Write the expression using a single exponent. 2^2 2^8 4^10 2^10 4^16 2^16 9. Write the expression using scientific notation. (2.5 104)(4 103) 10 10^7 10 10^8 1 10^8 10 10^12 My answers...
*Monday, May 6, 2013 at 7:46pm by Delilah*

**Math 30**

You are one term ahead of yourself C(10,0) = 1 C(10,1) = 10 C(10,2) = 45 so you want C(10,3) and C(10,4) which are 120 and 210
*Monday, March 22, 2010 at 7:07pm by Reiny*

**math**

Solve the following and express the answer in scientific notation: (5.3 x 10^4) + (2.2 x 10^3) A. 5.5 x 10^4 B. 7.5 x 10^3 C. 7.5 x 10^7 D. 11.7 x 10^7 I say A
*Wednesday, November 7, 2012 at 4:07pm by shana*

**math**

.02 * 200 * 10^3 = 4 * 10^3 .01 * 200 * 10^3 = 2 * 10^3 .005*(540-400)*10^3 = 0.7*10^3 so (4+2+.7)*10^3 = 6.7*10^3 = 6700
*Sunday, February 2, 2014 at 12:25am by Damon*

**MATH; PLEASE HELP**

Power Standard Form 10^1 10 10^2 100 10^3 1000 10^4 10000 10^5 100000 Write a rule for the number pattern.
*Wednesday, February 27, 2013 at 12:47pm by Deanne*

**math**

Solve the following and express the answer in scientific notation: 10^3 x 10^4. A. 10-^1 B. 10^1 c. 10^6 D. 10^7 I say D
*Wednesday, November 7, 2012 at 6:08pm by shana*

**math**

add 98/10+2/10 write the answer in simplest form A)100/10 b)10/10 c)10 d)1
*Monday, January 11, 2010 at 8:09pm by makeeda*

**Math**

Give reasons for each of the following steps: 16 + 31= ( 1. 10 + 6) + (3.10 + 1) = ( 1. 10 + 3. 10) + (6 + 1) = (1+ 3) 10 + (6+ 1) = 4 .10 + 7 = 47
*Tuesday, September 7, 2010 at 3:11pm by Lhen*

**math**

Solve the following and express the answer in scientific notation:(3.5 x 10^6 / (4.2 x 10^8) A . -8.3 X 10^-3 b. 8.3 X 10^3 c. 8.3 X 10^-2 d. 8.3 X 10^-3 I say A
*Wednesday, November 7, 2012 at 6:12pm by shana*

**math**

2(10^6) + 5(10^3) + 6(10^2) + 9(10) + 3 (not sure if your instructor would expect you to include the terms 0(10^5) + 0(10^4) , I wouldn't )
*Monday, December 30, 2013 at 8:40pm by Reiny*

**helllllllp math**

Clearly 10^n = n^10 when n=10 Since exponentials grow faster than polynomials for large enough n, It looks like 10^n <= n^10 for n=2..10, or 9 values
*Monday, May 13, 2013 at 10:35am by Steve*

**Math**

7^-2 = 1/7^2 = 1/49 6^-2 = 1/6^2 = 1/36 4^0 = 1 (as does any number n^0) 6^-2 4^0 = 1/36 * 1 = 1/36 5^2 5^-1 5^3 = 5^(2-1+3) = 5^4 (4×10^3)×(6×10^6) = 4×6×10^(3+6) = 24×10^9 = 2.4×10^10 1/10 4/10 = 14/(1010) = 4/100 = 1/25
*Tuesday, September 18, 2012 at 3:15pm by Steve*

**math**

6 3/10 - 2 1/2 The common denominator is 10. 6 3/10 - 2 5/10 5 13/10 - 2 5/10 = 3 8/10 = 3 4/5
*Wednesday, December 2, 2009 at 7:29pm by Ms. Sue*

**Math**

Let's use the "brute force" method. Start at the top with the most valuable combination and start adding. 25 + 25 + 25 = 75 25 + 25 + 10 = 65 25 + 25 + 5 = 55 25 + 25 + 1 = 51 25 + 10 + 10 = 45 25 + 10 + 5 = 40 25 + 10 + 1 = 36 10 + 10 + 10 = 30 10 + 10 + 5 = 25 10 + 10 + 1 = ...
*Sunday, January 9, 2011 at 11:07am by drwls*

**math**

Solve the following and express the answer in scientific notation: (5.4 x 10^4) x (4.5 x 10^8) A. 2.4 x 10^10 B. 24 x 10^11 C. 24 x 10^12 D. 2.4 x 10^3 I say D
*Wednesday, November 7, 2012 at 6:16pm by Drew*

**Math **

A --- 40.1 x 10^-6 = 4.01 x 10^-5 B ---------------- 4.1 x 10^-7 C ------ .411 x 10^-6 = 4.11 x 10^-7 D .04001 x 10^-5 = 4.001 x 10^-7 The largest number is the one with the largest exponent since -5 > either -6 or -7 your choice of A is correct
*Monday, March 28, 2011 at 5:14pm by Reiny*

**Math,algebra**

Can someone explain to me how to solve the following. Directions:Multiply and write the answer in simplest form. 4/10 divided by 10/4? 4/10 / 10/4 change to mulitpcation by flipping the last fraction: 4/10 * 4/10 = 8/20 8/20 = 4/10 = 2/5 luke, I'm sorry i had a typo it was 4/...
*Saturday, December 16, 2006 at 5:35pm by jasmine20*

**Math**

1 7/5=1+7/5= 5/5 + 7/5 = 12/5= (10+2)/5 = 10/5 + 2/5 = 2 2/5= 2+(2*2)/(5*2)=2+4/10=2.4 5 10/6=50*6/6 + 10/6 = 30/6 + 10/6 = 40/6 = 36/6 + 4/6 = 5 + 4/6 = 6+(2*2)/(2*3) = 6 + 2/3 = 6.6666666
*Thursday, April 7, 2011 at 5:25pm by Anonymous*

**Math**

4.3*10^3 * 2*10^-8= 4.3*2*10^3*10^-8= 8.6*10^[3+(-8)]= 8.6*10^(3-8)= 8.6*10^-5= 8.6/10^5= 8.6/100,000= 0.000086
*Monday, April 4, 2011 at 9:26pm by Bosnian*

**Math**

Find an equation of the line that bisects the obtuse angles formed by the lines with equations 3x-y=1 and x+y=-2. a. (3√2 +√10)x-(√10 + √2)y-2√10+√2=0 b. (3√2 - √10)x+(√10 - √2)y+2√10+√2=0 c. (3√2...
*Tuesday, June 2, 2009 at 3:48pm by Sophie*

**Math**

"solve" means to find a value (or several values) of x which makes the equation true. a. f(x)=10 since f(x) = 3/(x+1), you have 3/(x+1) = 10 3 = 10(x+1) 3 = 10x+10 10x = -7 x = -7/10 So, if x = -7/10, f(x) = 10 Work the others the same way.
*Thursday, January 24, 2013 at 1:07am by Steve*

**math**

c = about 3*10^8 meters/second 10 km = 10^4 meters delay time = distance/speed = 10^4/(3*10^8) = (1/3)*10^-4 = 0.000033 seconds = 0.333*10^-4 = 3.33 *10^-5 seconds
*Friday, May 28, 2010 at 4:18pm by Damon*

**Math**

(0.140-2y)^2 * (3.2*10^-10) = 4 y^5 (0.0196 -0.280y + 4y^2)*(3.2*10^-10) = 4 y^5 6.282*10^-12 -8.96*10^-11 y +1.28*10^-9 y^2 = 4 y^5 This is a messy fifth order polynomial that is best solved by iteration. As a first approximation, I would assume 4 y^5 = 6.282*10^-12, since ...
*Friday, February 6, 2009 at 11:45pm by drwls*

**Math**

There are 10 non-permanent and 5 permanent members for a total of 15. This means that there must be at least n votes from the 10 non-permanent members, where n≥6. So the number of ways the votes can go are: C(10,6)+C(10,7)+C(10,8)+C(10,9)+C(10,10) =386 where C(10,6)=10!/(6...
*Friday, September 23, 2011 at 12:28pm by MathMate*

**math**

A1 = 10 A2 = .3*10 A3 = .3^2 * 10 A4 = .3^3 * 10 An = .3(n-1) * 10 A5 = .3^4 * 10
*Monday, December 6, 2010 at 9:36pm by Damon*

**MATH**

that's what I said. It does not matter whether the -1 is in front or behind -(10)(10) = -1(10)(10) = (10)(10)(-1)
*Saturday, September 8, 2012 at 2:42pm by Reiny*

**math**

(2.85*10^4)(3.67*10^6) = 10.4595 * 10^10 = 1.05 * 10^11
*Wednesday, September 12, 2012 at 11:30pm by Reiny*

**math**

between 16/10 and 19/10 8/10 + 9/10 which is 4/5 and 9/10 sum is 17/10 or 1.7
*Monday, January 14, 2013 at 8:52pm by Damon*

**math- subtract fractions**

76/10 - 3 5/10 71/10 would be 7 1/10 + 3 = 10 1/10
*Saturday, February 15, 2014 at 7:00pm by Anny*

**Finite Math**

so you want 8 heads, 9 heads or 10 heads prob = C(10,8) (1/2)^10 + C(10,9) (1/2)^10 + C(10,10) (1/2)^10 = (1/2)^10 (45 + 9 + 1) = 55 (1/2)^10 = 55/1024 or appr .0537
*Monday, March 19, 2012 at 10:56am by Reiny*

**Math**

She bikes at speed b, so d/b = 3/10 She jogs at speed j, so d/j = 4/5 But, b=j+10 so, d/(j+10) = 3/10 d/j = 4/5 d = 3/10 (j+10) = 4j/5 = 8j/10 3(j+10) = 8j 30 = 5j j=6 b=16 d=24/5 mi
*Sunday, October 9, 2011 at 6:15pm by Steve*

**Math**

How do I express these in scientific notation AND Log10 form? 1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4) 10^-45 5) 8^2.34 I will be happy to critique your work here. Most of these require conversion. Do the math, and let your calculator do the log10 form. ...
*Sunday, January 21, 2007 at 1:41pm by Carl*

**math**

1st 10 Ft = $100. 2nd 10 Ft = $125. 3rd 10 Ft = $150. 4th 10 Ft = $175. 5th 10 Ft = $200. 6th 10 Ft = $225. 7th 10 Ft = $250. 8th 10 Ft = $275. 9th 10 Ft = $300. TOT. = $1800.
*Monday, July 9, 2012 at 7:08pm by Henry*

**Math (algerba 1)**

Law of exponents says that you can distibute your power to when multiplying so you would have- 4^2 x 10^-10 I multiplied the two powers.. 4^*1*2) x 10^(-5*2) 16 x 10^-10 I don't know if your teacher wants you to write this in a different form or not. If could be 1.6 x 10^-9
*Wednesday, March 13, 2013 at 7:20pm by Dr. Jane*

**Math!**

(6.0 x 10^5) x (3.0 x 10^4) = 6.0x3.0x10^5x10^4 = 18 x 10^9 = 1.8x10^10 do the others the same way. multiply the numbers, add the powers of 10. Then shift the decimal point at the end so the number is between 1 and 10.
*Friday, September 27, 2013 at 12:37pm by Steve*

**math**

t = 6.3*10^5 / 9*10^4 t = 63*10^4 / 9*10^4 = 7 hrs. Note: 10^4 / 10*10^4 = 1.
*Saturday, August 11, 2012 at 6:44pm by Henry*

**Math**

Yes, but "scientific notation" is often used when talking about powers of 10, like: 20000 = 2 * 10^4 This makes arithmetic with large numbers easy, since, following the rule above, all you have to do is add powers to multiply the factors of 10, like: (2.1 * 10^5) * (3 * 10^4...
*Monday, October 26, 2009 at 6:48pm by jim*

**Math**

((1/4)^-3/(1/4)^2)^-2 = ((1/4)^-5)^-2 = (1/4)^10 = 9.54*10^-7 (3^1/2)^3 = 3^(3/2) = 5.196. -56r^2/-7r^2 = 8. x*y*x*2y = 2X^2Y^2 3600X^4Y^6. sqrt(16*10^4) = 4*10^2 = 400. sqrt means Square root. sqrt(0.04) = sqrt(4*10^-2) = 2*10^-1 = 0.20 3*sqrt(81) = 3*9 = 27 sqrt(900) = sqrt(...
*Wednesday, September 18, 2013 at 8:04pm by Henry *

**math**

10^8=10*10*10*10*10*10*10*10=100 milions
*Wednesday, February 23, 2011 at 9:48pm by Bosnian*

**Math**

5 x 10^2 + 4 x 10 + 3 x 10^0 =?? 5 x 10^2 + 4 x 10 + 3 x 10^0 =?? 500 + 40 + 3 = ?? I hope this helps.
*Thursday, August 24, 2006 at 1:36pm by Anonymous*

**math need help please**

x + 10 = -10 x + 10 - 10 = -10 - 10 x = -20
*Sunday, November 30, 2008 at 9:35pm by Ms. Sue*

**Math**

f(0) = 0 is right f(-1) = 10 f(-1) = 5(-1)^2 - 5(-1) = 5(1) - (-5) = 5 + 5 = 10 f(2) = 10 f(2) = 5(2)^2 - 5(2) = 5(4) - 10 = 20 - 10 = 10 HOPE THIS HELPS!!
*Sunday, January 31, 2010 at 7:25pm by jh*

**Math question and answer check**

(5-x)/10 (5-1)/10 = 0.4 (5-2)/10 = 0.3 (5-3)/10 = 0.2 (5-4)/10 = 0.1 x 1 2 3 4 P(x) 0.4 0.3 0.2 0.1 It is unclear. What is the 10 doing there
*Thursday, June 6, 2013 at 7:18pm by Kuai*

**Math--PLEASE HELP!!!**

10 cases for 1st draw, 10 for the 2nd, 10 for the third, 10 for the 4th prob = 1/10^4 = 1/10000 if ball is not returned prob = 1/(10*9*8*7) = 1/5040
*Thursday, November 14, 2013 at 9:58am by Reiny*

**math**

I'll use the more common ^ instead of , which is often used for simple multiplication. 10^5 = 10*10*10*10*10 = 100,000 it's a simple power. 3^2 = 3*3 2^6 = 2*2*2*2*2*2 = 64 and so on.
*Wednesday, February 26, 2014 at 8:24pm by Steve*

**Science math**

56934 * 10^0 5693.4 * 10^1 569.34 * 10^2 56.934 * 10^3 5.6934 * 10^4
*Sunday, September 26, 2010 at 4:43pm by PsyDAG*

**MATH**

Under estimate. Add (3/10)*2*5 to get exact distance 4 3/10 = (4 + 3/10) (4 + 3/10) * 2 * 5 = 4 * 10 + 3 by distributive property = 43
*Sunday, March 24, 2013 at 9:01am by Damon*

**Math-New Questions**

We can use the rule of product: the first number we choose from 1 to 9, the 2nd, 3rd,...,9th from 0 to 9. So the number is 9*10*10*...*10=9*10^8 (=10^9-10^8)
*Tuesday, July 26, 2011 at 5:08pm by Anonymous*

**Math**

looks like I forgot how to count, there are 10 tiles not 9 so prob = (4/10)(6/10) + (6/10)(4/10) = 48/100 = 12/25
*Wednesday, May 5, 2010 at 10:38pm by Reiny*

**3rd grade math**

10 * 2 = 20 10 * 3 = 30 10 * 4 = 40 10 * 5 = 50 Do you see the pattern? What is 10 times 9?
*Tuesday, December 14, 2010 at 8:44pm by Ms. Sue*

**Math**

think of 1/10 as a "unit." Then all you have to do is work with the numerators: 3-1+4 = 6 So, the answer is 6/10 But, that can be reduced to 3/5 You can think of factoring out the 1/10: (1/10)(3-1+4) = (1/10)(6) = 6/10 = 3/5
*Thursday, August 29, 2013 at 12:00pm by Steve*

**Math Help**

8. a. 9. b. 10. Density=2.5*10^7People/ 2.6*10^5m^2= 0.96*10^2 = 9.6*10^1 People/m^2. Density=96People/m^2*2.56*10^6m^2/1mi^2= 2.5*10^8People/mi^2. 11. b. New York = 1.9*10^7 = 19.*10^6. 12. b. 15. (2 6/7)/(2/14) = (20/7)/(1/7) = 20/7 * 7/1 = 20/1 = 20. NOTE: 2/14 = 1/7.
*Friday, September 14, 2012 at 5:41pm by Henry*

**Math - Pre algebra**

1c. 5.3*10^9. 2d 4.6*10^-6 = 0.46*10^-5. 3. RI: 1.1*10^6. 4c. 5.2*10^3.
*Thursday, November 15, 2012 at 7:43pm by Henry*

**Math.. PLEASE HELP!! :(**

If I divided 1.23x10^-10 and 1.4x10^-8 (1.23*10^-10)/(1.4*10^-8) = 8. 7857 * 10^-14
*Thursday, October 17, 2013 at 8:06pm by Kuai*

**math**

#1 (5.1 × 3.2) × 10^(3+3) #2 (7.28 × 9.1) × 10^(-2-2) #3 (2.965 ÷ 5) × 10^(7+3) #4 (5.2 / 25) × 10^8 Adjust final answers to make sure the leading number is between 1 and 10
*Monday, October 21, 2013 at 4:38pm by Steve*

**Math-Linear Systems**

A quick check of your answer for b shows a problem. The second equation is: 2x + 5y = 10 Substituting the answer (10,2)... 2(10) + 5(2) = 10 or 20 + 10 = 10 Not correct
*Sunday, June 14, 2009 at 12:50pm by Quidditch*

**math**

multiply the numbers and add the exponents. The answer has to be arranged so the number part is between 1 and 10. for example your number 3. (5*10^5)*(4.3*10^2) = 5 * 4.3 * 10^(5+2) = 21.5 * 10^7 but 21.5 = 2.15*10^1 so 2.15 * 10^1 * 10^7 = 2.15 * 10^8
*Thursday, January 17, 2008 at 10:13pm by Damon*

**math**

Multiply both sides of the equation by (x+2) to get the x term out of the denominators. Then combine terms and use common denominators. (x/5) + (x-3) = (7/5)(x+2) = (7/5)x + 7/10 (12/10)x - 28/10 = (14/10)x + 7/10 (2/10)x = -35/10 2x = -35 x = -17 1/2
*Monday, April 20, 2009 at 11:41pm by drwls*

**Algebra**

D = kg/V = 2700kg/m^3. 5.4*10^-3 / V = 2700, V = 5.4*10^-3 / 2.7*10^3 = 2*10^-6. V = 0.05 * 0.02 * T = 2*10^-6, 1*10^-3*T = 2*10^-6, T = 2*10^-6 / 1*10^-3 = 2*10^-3m = 2mm.
*Sunday, February 13, 2011 at 5:20pm by Henry*

**algebra**

D = kg/V = 2700kg/m^3. 5.4*10^-3 / V = 2700, V = 5.4*10^-3 / 2.7*10^3 = 2*10^-6. V = 0.05 * 0.02 * T = 2*10^-6, 1*10^-3*T = 2*10^-6, T = 2*10^-6 / 1*10^-3 = 2*10^-3m = 2mm.
*Sunday, February 27, 2011 at 8:07pm by eb*

**Math-New Questions**

If you intepret the string of digits as numbers, then the numbers are between 10^8 and 10^9 -1, so the answer is: 10^9 - 1 - (10^8 - 1) = 10^9 - 10^8
*Tuesday, July 26, 2011 at 5:08pm by Count Iblis*

**Math Graphing Equations**

So what you do is: Q: Explain how to evaluate x-8 when x=10 Solve: The x becomes an 10. So put 10-8 Whats the 10-8? Equals 2. To explain x-8 = 10-8 because x=10.
*Thursday, March 25, 2010 at 11:10pm by Anonymous*

**PHYSICS ---HELP!**

700,000 = 7 * 10^5 meters above so r = 7*10^5 + 6.38*10^6 = 70.8*10^5 = 7.08*10^6 m v^2/r = G m M/r^2 v^2 = G M/r v^2 = 6.67*10-11 * 6*10^24 / 7.08*10^6 v^2 = 5.65 * 10^7 = 56.5*10^6 v = 7.5*10^3 = 7500 m/s
*Monday, October 11, 2010 at 6:40pm by Damon*

**Math**

You want the numbers that are 1000, 10^6 and 10^9 times a trillion. They are called 1 quadrillion (10^12), 1 quintillion (10^15) and one sextillion (10^18)
*Friday, December 12, 2008 at 8:38pm by drwls*

**Math PLEASE HELP ASAP**

your equation is much too ambiguous . How are x and y defined? Is the exponent of 10 equal to -7 or is is it 10^(-7y) ? what about the (10^6-y)? Is that (10^6) - y , the way you typed it, or is it 10^(6-y)
*Saturday, May 26, 2012 at 6:57am by Reiny*

**physics**

Fe= (-9.0 * 10^9) * (2.0 * 10^-6)(3.0 * 10^-6) / 0.40^2 = -54 * 10^-3 / 1.6 * 10^-1 = -0.3375 N Fe= (-9.0 * 10^9) * (-5.0 * 10^-6)(3.0 * 10^-6) / 0.80^2 = 135 * 10^-3 / 6.4 * 10^-1 = -0.2109 N a = -0.55N Fe= (9.0 * 10^9) * (2.0 * 10^-6)(5.0 * 10^-6) / 1.20^2 = 90 * 10^-3 / 1....
*Monday, January 24, 2011 at 12:28am by JoshuaVitug*

**math**

A = a b so b = A/a P = 2 a + 3 b P = 2 a + 3 A/a now A=2.5*10^6 P = 2a + 7.5*10^6/a dP/da = 0 at in or max dP/da = 0 = 2 -7.5*10^6/a^2 a^2 = 3.75*10^6 a = 1.936*10^3 then b = 2.5*10^6/1.936*10^3 b = 1.291*10^3 P = 2*a+3*b = 7.745*10^3
*Thursday, June 4, 2009 at 5:59pm by Damon*

**math,correction**

can someone correct this for me please. Directions: Evaluate each function for the value specified. f (x)=x^2+7c+10, f (-2) so then this is what i did: f(-2)=-2^2-7(-2)+10 = 4+14+10 = 28 so then that means that f(-2) = 28 sorry the formula should read. f(x)=x^2+7x+10 i need to...
*Tuesday, January 30, 2007 at 2:42pm by Jasmine20*

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