IXL | Understanding exponents

Write the expression using exponents.

72 · 72 · 72

72

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Learn with an example

question

Write the expression using exponents. Enter a number in every blank.

75 · 75 · 98

75·98

key idea

The exponent tells you how many times to use the base as a factor.

For example:

5	²

5	³

5	⁴

5	⁵

solution

Start with the given expression.

75 · 75 · 98

Write the 75's using exponents. 75 is used as a factor 2 times, so its exponent is 2.

75²

Write the 98's using exponents. 98 is used as a factor 1 time, so its exponent is 1. When a number has an exponent of one, you don't need to write the exponent.

75² · 98

Looking for more? Try these:

Lesson: Exponents

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Lesson: Exponents

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