La función de ganancia de cierta mercancía es P(x) = 110x — x2 — 1 000. Encuentre el nivel de producción que da la ganancia máxima y encuentre la ganancia máxima

Can someone me with my hwplz(only the circled ones)

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.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back