HELPP ASAP! ILL PUT BRAINLIEST!

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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.

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)