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13-01-2021
Mathematics

contestada

What is the sun of the 9th square number and the 2nd square number?

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jimrgrant1 jimrgrant1

13-01-2021

Answer:

85

Step-by-step explanation:

The 9 th square number is 9² = 81

The 2 nd square number is 2² = 4

sum = 81 + 4 = 85

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