3 years ago

4.510^-8/910^-9 find the quotient and write it in scientific form

Mathematics

1 answer:

g100num [7]3 years ago

3 0

Answer:

Step-by-step explanation:

4.5*10^-8/ 9*10^-9

1) Reduce the fraction, express 9 as a product of multiplying 4.5*2

4.5*10^-8/4.5*2*10^-9

2) Then notice the common factor of numerator and denominator( 4.5) , get rid of it in both numerator and dnominator

3) 10^-8/ 2*10^-9= 1/2*(10^-8/10^-9)= 0.5* (10^-8/10^-9)

10^-8/10^-9= 10^(-8-(-9))= 10^1=10.

so 0.5*10=5 (it is the answer written in scientific form)

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4.5*10^-8/9*10^-9 find the quotient and write it in scientific form

4.510^-8/910^-9 find the quotient and write it in scientific form