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Neeraj measures a stack of identical paper sheets with a ruler, as shown. How thick is one sheet, in metres, in standard form?

Class 8Exponents and PowersExponents and Powers
  • A⁻² m
  • B⁻³ m
  • C⁻³ m
  • D⁻⁴ m

Step-by-Step Solution

The stack is 3 cm high, so one sheet is cm. In metres: m forgets to change cm into m.)
Answer: D) ⁻⁴ m

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