Question

The question is in the attachment.

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=> Step by Step solution needed
=> It has to be done by multiplication method​

Answer 1

a) (128) = 1 × 10² + 2 × 10¹ + 8 × 10⁰ = 100 + 20 + 8

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b) (147) = 1 × 10² + 4 × 10¹ + 7 × 10⁰ = 100 + 40 + 7

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c) (457) = 4 × 10² + 5 × 10¹ + 7 × 10⁰ = 400 + 50 + 7

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d) (123) = 1 × 10² + 2 × 10¹ + 3 × 10⁰ = 100 + 20 + 3

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