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iris [78.8K]
3 years ago
14

Approximate using perfect squares what is the radical symbol 78

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

The <em><u>correct answer</u></em> is:

The estimate is between 8 and 9.

Explanation:

Perfect squares are numbers whose square roots are whole numbers.  78 is not one; however, it is between two others, namely 64 and 81.

64 is the perfect square of 8, since 8(8) = 64.

81 is the perfect square of 9, since 9(9) = 81.

78 is between these two; since it is closer to 81, this means the answer will be a decimal between 8 and 9, but that is closer to 9.

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