Math

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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 -

    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 -

    how can I make equivalent powers:
    2 ----- 6 x 10^-9

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