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Pooh_

  • 3 years ago

3*3 • 3*7 (*exponents) Ben is trying to solve the above expression. He takes the following steps: Ben multiplies the bases together to get 9 as the base of his answer. Ben adds the exponents together to get 10 for the exponent of his answer. Ben arrives at the answer 910. Which step(s) did he make a mistake on and what was the mistake?

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  1. cgreenwade2000
    • 3 years ago
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    Ben made a lot of mistakes.

  2. Fang02
    • 3 years ago
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    The sign for an exponent is ^. So it would look like 3^3 times 3^7.

  3. Fang02
    • 3 years ago
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    3^3 = 27 3^7 = 2187

  4. Fang02
    • 3 years ago
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    2187 times 27 = 59,049.

  5. cgreenwade2000
    • 3 years ago
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    Knowing the properties of exponents would tell us that you add the exponents when you multiply numbers with the same base.

  6. Fang02
    • 3 years ago
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    So, you add the product of each, which would make 2214?

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