Mathematics
WAEC 2024
Multiply 3.4 x 10\(^{-5}\) by 7.1 x 10\(^8\) and leave the answer in standard form.
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A.
2.414 x 10\(^2\)
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B.
2.414 x 10\(^3\)
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C.
2.414 x 10\(^4\)
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D.
2.414 x 10\(^5\)
Correct Answer: Option C
Explanation
3.4 x 10\(^{-5}\) by 7.1 x 10\(^8\) = ( 3.4 x 7.1) x 10\(^{-5 + 8}\)
= 24.14 x 10\(^3\)
= 2.414 x 10\(^4\)
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