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In the prime factorisation of 1000, what is the exponent of 5?

Class 7Prime Factors in Exponent FormNumber System

A1
B4
C3
D2

Step-by-Step Solution

1000 = 10 \times 10 \times 10 = (2 \times 5) \times (2 \times 5) \times (2 \times 5) = 2^{3} \times 5^{3}

. The exponent of 5 is 3.

Answer: C) 3

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What is the smallest prime factor of 1001?Which of these numbers has exactly two different prime factors?Which prime p makes 2^2 × 3 × p^2 = 300 true?Identify the greater number: 4^3 or 3^4.Express 256 as a power of a prime number.