A Certain Unsharpened Cylindrical #2 Pencil Is 6 $0.0078 \mathrm {~cm} ^ { 3 }$

question 42

Short Answer

A certain unsharpened cylindrical #2 pencil is 6.25 mm in diameter and 25.5 mm long.What is the pencil's volume? a. $0.0078 \mathrm {~cm} ^ { 3 }$
b. $0.078 \mathrm {~cm} ^ { 3 }$
c. $0.78 \mathrm {~cm} ^ { 3 }$
d. $7.8 \mathrm {~cm} ^ { 3 }$

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Definitions:

Square Root

A quantity which, when squared, returns the original number.

Rationalize Denominator

The process of eliminating radicals or complex numbers from the denominator of an algebraic fraction by multiplying both the numerator and the denominator by a suitable value.

Cube Root

The value that when multiplied by itself three times gives the original number.

Square Root

The original number that is obtained by squaring a certain value.