What is 30% of 210?

To find 30% of 210, you can use a straightforward calculation. First, convert the percentage to a decimal by dividing by 100, which gives you 0.30. Next, you multiply this decimal by the number 210:

0.30 × 210 = 63.

Thus, 30% of 210 is 63.0. This result aligns perfectly with the correct answer choice. Understanding how to convert percentages into decimals and then perform multiplication is a fundamental skill in math that is widely applicable in various situations, whether in budgeting, pricing, or fraction calculations.