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

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?