Question

express the following pbyq0. 47bar

Answer 1

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$<u><i><b>$
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1»»». 0.3
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Let x = 0.3......◀i▶

MULTIPLY both sides by 10
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let 10x = 3.3.....◀ii▶

Subtract i from ii
10x - x = 3.3-0.3

9x = 3.0

x = 3/9

⭕x=1/3⭕


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2) 0.47
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Let x = 0.47....◀i▶

Multiply both sides by 100
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let 100x = 47.47 ....◀ii▶

Subtract i from ii

100x-9x = 47.47-0.47

99x = 47

⭕x = 47/99⭕