Express using positive exponents. Then, if possible, simplify.

A. 2x-4
B.
C. 2x4
D. 4x2


Answer: C

Mathematics

You might also like to view...

The graph of a function f is given. Use the graph to answer the question.Is f(40) positive or negative?

A. positive B. negative

Mathematics

Find the perimeter.

A. 84 ft B. 124 ft C. 88 ft D. There is not enough information given.

Mathematics

Simplify the expression. Assume that all variables are positive when they appear. ? 

A. -20x B. 20x C. -1x D. 9x

Mathematics

Multiply.9 ? 6 ? 2 ? 0?

A. 108 B. 0 C. 1 D. 17

Mathematics