What is 0.3 percent of 90?

Rationale

0.3 percent of 90 is 0.27.

To find the percentage of a number, you multiply the number by the percentage (expressed as a decimal). In this case, 0.3% is expressed as 0.003 in decimal form. So, 0.003 multiplied by 90 results in 0.27.

A (0.027) YOUR ANSWER

This is incorrect because it is derived from multiplying 0.003 by 9 instead of 90. This value is ten times smaller than the correct calculation.

C (0.3) YOUR ANSWER

This answer is incorrect because it is the original percentage value and not the result of the calculation. 0.3 is the percentage we are using, but to find 0.3% of 90, we need to multiply 0.003 (the decimal equivalent of 0.3%) by 90.

D (2.7) YOUR ANSWER

This answer is incorrect because it is the result of multiplying 0.03 by 90, not 0.003 by 90. This is ten times larger than the correct calculation.

Conclusion

The process of finding a percentage of a number involves converting the percentage to a decimal and then multiplying it by the given number. In this case, 0.3% converted to decimal form is 0.003, and multiplying this by 90 gives the correct answer of 0.27. Other choices represent common calculation errors such as incorrect decimal placement or using the original percentage value instead of the calculated value.

What is 0.3 percent of 90?

0.3 percent of 90 is 0.27.

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