21 divided by 4,857 with remainder

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅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.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10