Acar is traveling at a rate of 45 kilometers per hour. what is the car's rate in kilometers per minute? how many kilometers will the car travel in 5 minutes? do not round your answers

Can someone answer these problems for me

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.

A(t)=728(1+0.04)^t how much money did aditya originally invest