Posted by **Mika** on Thursday, September 9, 2010 at 6:16pm.

I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, 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 -
**Gina-helen**, 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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