Question

write the following numbers in the form k×10n where 1≤k≤10 and n is an integer:

$\frac{315 \times 10 ^{5} }{0.7 \times 10 ^{3} }$
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Answer 1

Answer:

4.5 x 10^4

Step-by-step explanation:

(315x10^5)/(0.7x10^3)

450 x 10^(5-3)

450 x 10^2

so the final ans will be

4.5 x 10^4