Question

write whether the rational number 43 by 2^4 x 5^3 is a terminating decimal or non terminating decimal and write it in a decimal form

Answer 1

Answer:

43/2^4×5³

multiply by 5 to both numerator and denominator

43×5/2^4×5³×5

215/2^4×5^4

215/(2×5)^4

215/10^4

215/10000

0.0215

so it is a terminating decimal.

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