What makes the statement true 9^-2 =

a) 81

b) 18

c) 1/81

d) - 1/81

evaluate the expression 8^-2 x 4^0

16

64

-64

1/64

write 5^ x 5^-1 x 5^3 as a single exponent.

5^4

5^-6

5^5

5^2

what is 8.57 x 10^-4 in standard form

85,700

0.00857

8,750,000

0.000875

A cyclist rides his bike at a rate 15 of kilometers per hour. What is this rate in kilometers per minute? How many kilometers will the cyclist travel in 10 minutes? Do not round your answers.

Suppose you have an unfair coin that comes up heads 60% of the time and tails 40% of the time. you play a game where you flip the coin a single time and you lose $2 if you get heads and you win $3 if you get tails.

Find the cost per pound of a coffee mixture made from 6 lb of coffee that costs $9.70 per pound and 12 lb of coffee that costs $5.50 per pound.

Which of this numbers are divisor of 64 : 2,6,8,12,16

What is the distance between (5.75,0) and (-5.75,0)

Solve for q. -15 - 18q = - 20q + 15 q =

Represent the proportional relationship described with an equation where d equals dogs and c equals cats: three dogs for each cat

Ou can draw a quadrilateral with two sets of parallel lines and no right angles. a. True b. False

There are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom. The three candidates that receive the highest number of votes become candidates for a runoff election. How many 3-candidate combinations are possible?

If n=1 and m=3 then n^2=2 and m=6 what is wrong with this question