Which decimal represents the shaded portion?

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.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0