6. Select the operations that would increase the value of a given number.
A. Multiply the number by 10.
B. Multiply the number by 0.1.
C. Divide the number by 10.
D. Divide the number by 0.1.

7.Select the operations that would decrease the value of a given number.
A. Multiply the number by 10.
B. Multiply the number by 0.1.
C. Divide the number by 10.
D. Divide the number by 0.1.