Which is 144 written as a power of a number?
a. 169
b. 722
c. 132
d. 122

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Simplify using positive exponents only.

Simplify the expression below -3(10x+4y)+6(6x-2y)