How do you write 715.7 in scientific notation

Mathematics

2 answers:

julia-pushkina [17]2 years ago

8 0

Answer:

7.157*10^2

Step-by-step explanation:

My name is Ann [436]2 years ago

7 0

Answer:

We can write 715.7 in scientific notation by 

7.157*10^2

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Jayson’s car can go 300 miles on 12.5 gallons of gasoline. How far can he drive on 42 gallons of gas?

fomenos

$300\ miles\ on\ 12,5\ gallons\\
x\ miles\ \ on\ \ \ 42\ gallons\\\\
Making\ proportion:\\
300-12,5\\
x-42\\\\
Cross\ multiplication\\
300*42=12,5x\\\\12600=12,5x\ \ \ | divide\ by\ 12,5\\\\
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