Mathematics, 07.12.2020 22:00 june745
John drove for 3 hours to see his grandmother.
His car's gas mileage is about 20 miles per gallon.
How many gallons of gas did he use?
Answers: 3
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15â‹…10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65â‹…10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 20:40
Ineed someone to me answer my question i have to have this done and knocked out
Answers: 2
John drove for 3 hours to see his grandmother.
His car's gas mileage is about 20 miles per gallon.<...
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