what are the steps for multiplying monomial algebraic terms where they have exponents with like bases

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)