physics

I also need help with 9.67nm=???km
and
2.3X10 to the -4g=????ng

1. 👍
2. 👎
3. 👁
1. Let see: nano is 10^-9

9.67*10^-9 m

2.3*10^-4g * 10^9ng/g=....

1. 👍
2. 👎
👤
bobpursley
2. so if I did this right the answer would be -2.3x10^13 correct?

1. 👍
2. 👎
3. No. Two errors. Where did the minus sign come from? It shouldn't be there.

To multiply exponents we add them. -4 + 9 is not 13.

1. 👍
2. 👎

Similar Questions

1. chemistry

are these right? How many atoms are there in 1.3x10^22 molecules NO2? atoms=(1.3x10^22 molecules NO2) x (2atoms/1molecule) = 2.6x10^22 atoms NO2 A 5.0g sample of O2 is in a container at STP. How many atoms of oxygen are in the

2. Math

a tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision? 3x10^3 3.2x10^3 3.21x10^3 3.212x10^3***

3. Chemistry

If the solubility of Ag2CO3 is 1.3x10^-4 mol/L, what is its Ksp? (the answer is said to be 8.8x10^-12) Ag2CO3(s) -----> 2 Ag+ (ag) + CO3 2- Ksp= [Ag+]^2 [CO3^2-] = [1.3x10^-4]^2[1.3x10^-4] =2.197x10^-12 thats what I did, but I

4. Algebra

What is the order of the numbers from least to greatest? A=4.6x10^-4 B=2.4x10^-3 C= 3.5x10^5 D=6.3x10^-4 A.C

1. Chemistry

The equilibrium constant for the reaction: 2NO(g)+Br2(g)2NOBr(g) Kc=1.3x10^-2 at 1000 Kelvin Calculate Kc for: NOBr(g)NO(g)+ 1/2Br2(g)

2. math

which is the best estimate for (6.3x10-2) (9.9x10-3) written in scientific natation

1.Which of the following is greater than 4.3x10^9 A)2.1x10^9 B)3.2x10^9 C)5.3x10^9 D)7.4x10^8*** 2.Which of the following are less than 6.5x10^-5? A)1.4x10^-3 B)2.5x10^-4 C)7.8x10^-5 D)4.6x10^-6*** 3.Which number is greater than

4. physics

At what distance would the repulsive force between two electrons have a magnitude of 8.50 N? I have no idea how to do this problem... can someone help me please... 3x10^-4/8.50?

1. HELPP !!

Copper(I) ions in aqueous solution react with NH3 according to Cu^+ + 2NH3 --> Cu(NH3)2^+ Kf=6.3x10^10 Calculate the solubility (in g/L) of CuBr (Ksp=6.3x10^-9) in 0.81 M NH3.

2. Physics

What is the potential difference required to accelerate a deuteron of mass 3.3x10^27kg and charges 1.6x10^-19C from rest to a speed of 5.0x10^6m/s?

3. maths

Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of: i)x/y

4. algebra

evaluate and write in the solution in scientific notation 3x10^5\1.5x10^3