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Exponents And Powers

Question

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Express the following numbers in standard form.

6020000000000000

Solution

6020000000000000 = $602 space cross times space 10000000000000$
                         = $602 space cross times space 10 to the power of 13$
                         = $6.02 space cross times space 10 squared space cross times space 10 to the power of 13$
                         = $6.02 space cross times space 10 to the power of 15$

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Some More Questions From Exponents and Powers Chapter

Find the multiplicative inverse of the following.
(i) 2^–4 (ii) 10^–5 (iii) 7^–2 (iv) 5^–3 (v) 10^–100

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