Posted by **Chris** on Thursday, August 16, 2012 at 1:56pm.

HELP?!

1.-9^2

2.(5x^9y)(-2x^-2y^-3)

3.(a^1b^-2) / (a^-2b^4)

4.(7x^-1/y^4)^-2

Scientific notation:

5)

.0000745

Decimal Form:

6)

9.3*10^6

Solve:

7.3√-27

8.√(-5a)^2

Simplify:

9.√60x^5y^2

10.√75x^3 / √3x

- Math -
**Steve**, Thursday, August 16, 2012 at 4:51pm
1. -9^2 = -(9^2) = -81

2. -10 x^7 y^-2

3. a^3 b^-6

4. (7 x^-1 y^-4)^-2 = 1/49 x^2 y^8

5. 7.45*10^-5

6. 9,300,000

7. 3√-27 = 3√9√3 i = 9√3 i

8. √(25a^2) = 5a (note the "-" sign gets lost)

9. 2 x^2 y √15x

10. 5x

As usual, check my math. If something's not clear, come on back.

## Answer this Question

## Related Questions

- Math - Find an equation of the line that bisects the obtuse angles formed by the...
- maths - I will be thankfull to you if you help me to solve the below problem: 6...
- Algebra 2 Answer Check - Simplify by rationalizing each denominator. 1. 2/√...
- Algebra - How would i complete these problems? 1. (√6mn)^5 2. ^3√16x...
- algebra 1 - alright i have a few questions if its ok..? Simplify: 1. -2√(...
- Algebra - Simplify the expressions and solve the equations 1. 2√3 - √...
- algebra 1 help - simplifying square roots 1) find volume of this prism? v=bwh b...
- Algebra Work Check - 1. 5√6 * 1/6√216 5/6 * √1296 5/6 * √...
- Math help Ms. Sue please - 1. What is the simplified form of the expression? 7m^...
- Math - Help with radicals please - Please show work Simplify rational 1. 4√...

More Related Questions