describe the realationship between place value and exponents

Question

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Answer 1

124 is 100 + 20 + 4

each digit is the multiple of 100, 10 ^ 1'

100 x 1 = 100

10 x 2 = 20

1 x 4 = 4

each place value, is an exponent of 10

100 = 10^2

10 = 10^1

1 = 10^0