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Exponents and Powers MATHS - Exponents and Powers

ICSE - STD 8 - MATHS (ICSE - English Medium). 23 questions in this chapter.

Question types

Exponents and Powers question types

23 questions across 3 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

23
Questions
3
Question groups
5
Question types
Sample Questions

Exponents and Powers questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 11MCQ1 Mark
If $\left(\frac{12}{13}\right)^4 \times\left(\frac{13}{12}\right)^{-8}=\left(\frac{12}{13}\right)^{2 x}$, then the value of $x$ is
  • A
    $-2$
  • ✓
    $6$
  • C
    $2$
  • D
    $-6$

Answer: B.

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Q 13MCQ1 Mark
Multiplicative inverse of $\left(\frac{-2}{3}\right)^4$ is
  • A
    $\frac{16}{81}$
  • B
    $\frac{-16}{81}$
  • ✓
    $\frac{81}{16}$
  • D
    $\frac{-81}{16}$

Answer: C.

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Q 15MCQ1 Mark
Standard form of $0.000000789$ is
  • A
    $78.9 \times 10^{-8}$
  • B
    $789 \times 10^{-9}$
  • ✓
    $7.89 \times 10^{-7}$
  • D
    None

Answer: C.

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