Answer:
13 
Step-by-step explanation:

x=40/3 = 13 
Answer:
x = 9
Step-by-step explanation:
9 to the sixth power = 531441
9 to the third power = 729
531441 = x cubed × 729
Divide by 729 on both sides.
531441 divided by 729 equals 729
729 divided by 729 equals 0
729 = x cubed
Find cube root
9x9x9 =729
Cube root of 729 is 9
x=9
Answer:
Increases 64 times
Step-by-step explanation:
The volume of the box can be calculated using formula

where
V = volume,
l = length,
w = width,
h = height
If the length was 0.3 inches, then the volume was

When the length became 1.2 inches, then all dimensions became
times greater, then the volume was

The volume increases
times
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