Question

Each side a cube is measured to be 7.203 m. The volume of the cube up to appropriate significant figures is

• A. 373.714
• B. 373.71
• C. 373.7
• D. 373

Answer 1

Answer: (C)

373.7

Answer 2

Volume $= a ^ { 3 } = ( 7.023 ) ^ { 3 }$ $= 373.715 \mathrm {~m} ^ { 3 }$

In significant figures volume of cube will be $373.7 m ^ { 3 }$ because its side has four significant figures.