Answer:
4849 cm^3
Step-by-step explanation:
V = (4/3)(pi)r^3
V = (4/3)(3.14159)(10.5 cm)^3
V = 4849 cm^3
2. 0.93
3. 1.13
decreasing means - to the 100%
increasing means + to 100%
1) 20% increase
2) 50% increase
3) 75% decrease
4) 25% decrease
5) 66.6667% decrease