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Round off the following numbers to three significant figures:
$42.450 \times 10^{9}$

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42.4×109

42450×109

0.450×109

42.4

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Correct option is A

42.450×109=42.4×109

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Round off the following numbers to three significant figures:42.450×109

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

Round off the following numbers to three significant figures:
$42.450 \times 10^{9}$