Tuesday

September 23, 2014

September 23, 2014

Posted by **Gabby** on Wednesday, February 5, 2014 at 1:06pm.

Simplify. 5^-1(3^-2)

Simplify. mn^-4/p^0q^-2

Write a scientific notation. 0.0042

Write in standard notation. 6.12*10^3

Simplify. Write in scientific notation. 0.5(8 * 10^5)

Simplify. Write in scientific notation. (9 * 10^-3)^2

Evaluate 1/2a^-4b^2 for a=-2 and b=4.

Simplify (4xy^2)^3(xy)^5

Simplify (2t^-3)^3(0.4r)^2

- Algebra 1 -
**Gabby**, Wednesday, February 5, 2014 at 1:26pmActually I only need help with the second problem,and the 7th problem,

Simplify. mn^-4/p^0q^-2

Evaluate 1/2a^-4b^2 for a=-2 and b=4.

- Algebra 1 -
**Steve**, Wednesday, February 5, 2014 at 1:34pmp^0 = 1, so

mn^-4/p^0q^-2 = (m/n^4) / (1/q^2) = mq^2/n^4

1/(2 (-2)^-4 (4)^2)

1/(2 (1/16) (16))

1/2

Note that (-2)^4 = (-2)(-2)(-2)(-2) = +16

- Algebra 1 -
**Gabby**, Wednesday, February 5, 2014 at 1:36pmThank you Steve~!

**Answer this Question**

**Related Questions**

Maths;Check Answers Please :P - 1. Simplify. 5^–1(3^–2) My answer: 1/45 3. Write...

Algebra - Can you please check my work? You have helped other students I know. ...

Algebra (check my answers) - Please check these answers. Multiply -7(2a2 -4) = -...

Algebra - Write in standard notation. 6.12 X 10^3. A. 6120 B. 612 C. 61,200 D. ...

7th grade math questions Scientific Notation - 19. Write the size of a grain of ...

math ALG 2!scientific notations helpp - Write the following value in scientific ...

math ALG 2!scientific notations helpp - 1.)Write the following value in ...

scientific notation - simplify write in scientific notation (9x10^-3)^2

scientific notation - simplify write in scientific notation (9x10^-3)^2

Algebra - Simplify and write in scientific notation. (9 X 10^-3)^2 A. 8.1 X 10^-...