Answer my last question for the crown

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.

Use the distributive law to multiply. 3(4x + 5y + 6)

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?