Maluwa has 9 identical tiles when she count the total number of sides on the tiles she gets 72 draw a picture

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.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41