Simplify 3 squared times 21 squared
1 answer:
3^2 = 9
21^2 = 441
9 x 441 =
3969
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:





7/10 is 0.7
0.7 x 16 yields 11.2
11.2 is also 11 1/5
or 56/5
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