When rewriting a radical expression to a rational exponent expression, which number becomes the denominator of the exponent A. The exponent
B. The root/index
C. The radicand
D. The constant

When a whole number is multiplied by 104, how does the placement of the decimal point change? a. it moves ten places to the right. b. it moves four places to the left. c. it moves ten places to the left. d. it moves four places to the right.