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Exponents and Powers of Ten
Online practice for grades 5-8

This page provides online practice for exponents and evaluating powers. For example, you would find the value of (12)3 or 106.

(An exponent is the little elevated number in this expression: 24. It indicates how many times the base number (in our case 2) is multiplied by itself. So, 24 means 2×2×2×2=16.)

Options for the online practice include positive, zero, and negative exponents; whole-number, fractional, or decimal bases; and positive or negative bases.

You can evaluate powers (expressions with exponents), evaluate expressions where we multiply a power of ten by some factor, or do both.

You can choose timed or untimed practice, and the number of practice problems.

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Give your answer as a fraction.