Monday

July 28, 2014

July 28, 2014

Posted by **Dave** on Monday, February 4, 2013 at 5:41pm.

Always, never , or sometimes.

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

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

Thanks to anyone who helps right away and need right answer from the people who have already taken this test.

- Algebra 1 -
**Reiny**, Monday, February 4, 2013 at 6:20pm8.

4^-3 = 1/4^3 = 1/64

(-2)^-3 = 1/(-2)^3 = 1/-8

7 , the way you typed it ...

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

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

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

6. (9 x 10^-3)^2 = 1.8 x 10^-6

**Related Questions**

Algebra 1 I need help!!!!!!!!!!!!!!!! - 8.A number raised to a negative exponent...

Algebra - Is the following statement always, never, or sometimes true? A number ...

Algebra - Is the following statement always, never, or sometimes true? A number ...

Algebra 1 - 8.A number raised to a negative exponent is negative. Is it always...

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

Math 7 Help! - 1. negative integer is less than positive integer somtimes, ...

math - Which statement is true? A.The sum of two positive integers is sometimes ...

Math 9 - use exponent rules to simplify. Write as a single power, dont need to ...

Pre Algebra - how do i do to get the answer for negative 12 + possitive 4+...

algebra1 - tell whether each statement is sometimes, always, or never. 1) the ...