Question

1. Express the following rational numbers into decimal and state the kind of decimal expansion

Answer 1

Given rational number -9/32

= ( -9 )/2^5

= ( -9 × 5^5 )/( 2^5 × 5^5 )

= ( - 28125 )/( 10^5 )

= - 0.28125 ( decimal form )

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