Posted by Mika on Thursday, September 9, 2010 at 6:16pm.
I'm actually in 7th grade, but I'm doing 8th grade prealgebra, but anyway, here:
I'm supposed to simplify these four problems and I don't really understand how:
28s (15 power)
____
42s (12 power)
4m+(n[7th power]m)
63m(5 power)n(6 power)
______________________
27mn
3a·4a(4 power)
______________
28a(2 power)
Thanks!

8th grade Math  jasmine, Thursday, September 9, 2010 at 6:55pm
i need help with this home work i need to write an algebraic expression for each word. 1.5 less than the prouduct of 3 and p

8th grade Math  Charlie, Saturday, September 11, 2010 at 8:16pm
3p  1.5

8th grade Math  jessica, Wednesday, January 23, 2013 at 5:01pm
how do you convert .833333333333....... into a fraction

8th grade Math  bob, Monday, August 18, 2014 at 1:50pm
what is more dense 14cm3 or 8cm3

8th grade Math  Anonymous, Friday, November 7, 2014 at 12:25pm
five times the sum of a number and 2 is 25 find the number

8th grade Math  Anonymous, Friday, December 12, 2014 at 6:44am
how many tiles 15 cm square will be needed to cover a floor 5.8 m by 6.90m?

8th grade Math  Dustin, Sunday, January 11, 2015 at 10:16pm
To anonymous 5(x+2) = 35 is the equation. Pretty easy to solve from there

8th grade Math  rovika grg, Tuesday, March 24, 2015 at 1:49am
thank u very much

8th grade Math  HomoNovus, Wednesday, April 8, 2015 at 4:47pm
Holy cow this question has a lot of answers!

8th grade Math  Mrs. Smith, Sunday, May 10, 2015 at 9:54pm
Make .833333333333 as a fraction

8th grade Math  Ravi, Wednesday, August 19, 2015 at 10:47pm
Estimate the square root of 72 how to find it

8th grade Math  Tissy, Wednesday, October 21, 2015 at 2:53pm
To Jessica and Mrs Smith
5/6=.833333333
100x=83.333333333
10x= 8.333333333

90x=75
x=75/90=5/6.

math  Ginahelen, Monday, March 14, 2016 at 6:29pm
in scientific notation.
(2.74×10^7)+(5.6×10^7=

8th grade Math  sanchit sahu, Friday, March 25, 2016 at 2:56am
The area of trapezium is 180cm and its hight is 9cm. If one of the parallel side ia langer then the other by 6cm, find the two parallel side.

math  sanchit sahu, Friday, March 25, 2016 at 3:00am
The area of trapezium is 180cm and its hight is 9cm. If one of the parallel side ia langer then the other by 6cm, find the two parallel side.
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