Scientific notation mul

A student found the product of 8 × 103 and 7 × 105 to be 5.6 × 108. What is the error? What is the correct product? Complete the explanation.

Correct answer:

p =  5600000000

Step-by-step explanation:

a=8 103=8000 b=7 105=700000  p=a b=8000 700000=5600000000 p=5.6 109=5600000000 p=56 108=5600000000



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Showing 1 comment:
Mathematican
8*7 = 56 = 5.6*101

thus 1 (one) must be added to 3+5+1 = 8+1 =9 in exponents





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