Answer:

Step-by-step explanation:
Recall the exponent property
.
Therefore, simplify:

Answer:
........................................
Question 1
P=10(5)
Question 2
23.6*2=47.2
52.9*2=105.8
47.2+105.8=153
Answer:
C. 112.5cm^3
Step-by-step explanation:
Volume= Length x Width x Height
V= 7.5 x 1.5 x 10
V=112.5