Question

Express each of the following numbers using exponential notation: 

1.  512 
2.  343 
3.  729 
4.  3125

Answer 1

(i) \(512 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 = 2^9\)

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(ii) \(343 = 7 \times 7 \times 7 = 7^3\)

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(iii) \(729 = 3 \times 3 \times 3 \times 3 \times 3 \times 3 = 3^6\)

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(iv) \(3125 = 5 \times 5 \times 5 \times 5 \times 5 = 5^5\)