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Does 6 tens equal 60 ones
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seven 7 x 10 = 70 = 70 x 1
To find the number represented by 7 tens and 9 ones, you would multiply 7 by 10 (since there are 10 ones in a ten) to get 70, and then add the 9 ones to get the final number. Therefore, 7 tens and 9 ones is equal to 79.
The sum is 50+20 = 70