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Use mental math and a pattern to find the product of 70*300
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4 votes
Use mental math and a pattern to find the product of 70*300

User Mirhagk
by
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2 Answers

5 votes
7*3
21000

First take away the zeros. Then Multiply 7 and 3 which is 21. Then add how many zeros there are. In this case there are three. So your answer is 2100.
User Leobidoous
by
7.1k points
3 votes
70*300

=70(100+100+100)

=7,000+7,000+7,000

=21,000
User James Vickers
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6.5k points
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