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Expressing Numbers in Standard Form

Question 24In...

Question

Question 24

In the following question, out of the four options, only one is correct. Write the correct answer.

The standard form of 0.000064 is :

(a) $64 \times 10^{4}$

(b) $64 \times 10^{- 4}$

(c) $6.4 \times 10^{5}$

(d) $6.4 \times 10^{- 5}$

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Solution

$0.000064 = 0.64 \times 10^{- 4} = 6.4 \times 10^{- 5}$

Hence, the standard from of $0.000064 i s 6.4 \times 10^{- 5} .$

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Expressing Numbers in Standard Form

Standard VII Mathematics

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