Matching
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Angelina used a pattern to solve a problem with powers. She noted that the last 2
digits follow the pattern. Order the steps Angelina used to predict the last 2 digits of
722.
A. | She made a pattern using base 7 and
exponents. | B. | She checked her work to see that she did it
correctly. | C. | She determined that 722 would be in the second
column. | D. | She calculated that all numbers in the second column had 49 as
the last two digits. | | |
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1.
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What
is Angelina’s first step?
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2.
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What
is her second step?
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3.
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What
is her third step?
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4.
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What
is her final step?
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Numeric Response
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5.
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What
are the last 2 digits for 715?
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6.
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What
are the last 2 digits for 728?
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7.
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What
are the last 2 digits for 7100?
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8.
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What
are the last 2 digits for 7101?
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Determine the last digit of each power by using a strategy
like Angelina’s.
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9.
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444
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10.
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652
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