Posted by **Dakota** on Monday, February 10, 2014 at 9:05pm.

5) Which is equivalent to the expression shown? 5^-3

a. -125

b. -15 ****

c. 1/125

d. 2

6) Which is equivalent to the expression shown? 10^2 . 5^2

a. 2,500 *******

b. 250

c. 500

d. 200

7) The value of Square root 60 is between which pair of consecutive numbers?

a. 59 and 60

b. 7 and 8 ****

c. 8 and 9

d. 9 and 10

- Math -
**PsyDAG**, Tuesday, February 11, 2014 at 10:37am
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.

5. wrong, 5^-3 = 1/5^3

6 & 7 are right.

- Math -
**Mindy**, Sunday, July 13, 2014 at 4:51pm
how can I make equivalent powers:

2 ----- 6 x 10^-9

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