What is the answer
I am CONFUSED

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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.