Answer:

Step-by-step explanation:
Given

Required
Simplify

Cancel out 18

Divide 4 and 2

Divide 27 and 12 by 3

Apply law of indices


Divide 2 and 4


Rewrite as:

Hence:

7/10 in hundredths is 70/100
Answer:
150
Step-by-step explanation:
1) the full volume of the given pyramide may be calculated according to the formula:
V=1/3 *Area_of_base*height;
V=1/3 *(5*15)*12=300 (in³).
2) the half of the calculated volume is:
300/2=150 (in³)