X x=?1
612
21
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Can someone please help

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

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.