Solve the equation
a,5x-1=2(x-11)
b,

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.

How can writing phrases as algebraic expressions you solve problems?

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.