SOLUTION: Write in scientific notation using 3 significant figures a) 22 475 056 b) 0.000 000 294

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Question 1126778: Write in scientific notation using 3 significant figures
a) 22 475 056
b) 0.000 000 294
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
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a) 22 475 056
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move decimal by seven places.
round upward is necessary;
2.25 x 10^7


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b) 0.000 000 294
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move decimal by seven places.
2.94 x 10^(-7)