Exponents : choose the correct expanded form for (-3b)5 a. (-) (-) b. () b. (-3)5b^5

a

just as = x × x × x × x × x

that is x multiplied by itself 5 times, then

= (- 3b)(- 3b)(- 3b)(- 3b)(- 3b)

that is (- 3b) multiplied by itself 5 times

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

26

step-by-step explanation: