Part 2: Write the phrase an an algebraic expression Phrase (Ex. 9 more than a number) Algebraic Expression (Ex. 9 + x) 7.) 5 less than a number

8.) 75% of a number

9.) 7 times a number

10.) Half of a number

11.) The square of a number

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.

This question awards 100 ! i really don’t want to fail i will also mark you !

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )