Question

please tell me the answer of 3a)
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Answer 1

A 400

400 = 2×2×2×2×5×5

= 2^4 × 5^2

here is your answer

Answer 2

a) Factors of 400: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200.

b) Factors of 196: 1, 2, 4, 7, 14, 14, 28, 49, 98, 196.

c) Factors of 324: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, and 324.

d)Factors of 441: 3,7,21,49,147.

e)Factors of 1728: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864 and 1728.

f)Factors of 729: 1, 3, 9, 27, 81, 243 and 729.

Hope it will help you