Question

(5 X 10 to power of 3) X (9 X 10 to power of 7) give answer in standard form

Answer 1

Answer:

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Step-by-step explanation:

5×10^3×9×10^7

sort it

5×9×10^3×10^7

if bases are same add powers

so,45×10^10

In standerd form:4.5×10^9