Rita said that 8^ (2 /3) = 128 because 8^ (2/ 3) = 8^2 ⋅ 8 ^(1 /3), so 8^ (2/ 3) = 64 ⋅ 2, and then 8 ^(2 /3) = 128. use properties of exponents to explain why she is or is not correct.

The length of the largest fish is 967.74 times greater than the length of the smallest fish. select a variable expression that shows the length of the largest fish, if 8 is the length of the smallest fish. a. s + 967.74 b. \[ \frac{967.74}{s} \] c. 967.74 - s d. 967. 74s

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?