If a can of paint covers 300 sq. feet, how many cans must be purchased to paint a wall 20 feet by 50 feet?

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.

Pls brainliest will be awarded if answer is correct

Determine domain and range, largest open interval, and intervals which function is continuous.