I will give and thanks guys for helping me on my other questions to and theres is 5 questions to

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.

What statement is true? 2x^2-9x+2=-1

Find the commission on a $590.00 sale if the commission is 15%.