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Sanchay put a 1 cm stick of gum through a (1 × 3–2) machine. How long was the stick when it came out? - Mathematics

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प्रश्न

Sanchay put a 1 cm stick of gum through a (1 × 3–2) machine. How long was the stick when it came out?

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उत्तर

If sanchay put a 1 cm stick of gum through a (1 × 3–2) machine.

Negation (–) sign in power shrews it is a shrinking machine.

So, `1 xx 1/3^2 = 1 xx 1/9 xx 1/9 cm`

Hence, `1/9 cm` stick came out. 

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अध्याय 8: Exponents and Powers - Exercise [पृष्ठ २६८]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 8 Exponents and Powers
Exercise | Q 156. | पृष्ठ २६८

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