Samatha has $300 for guitar lessons to learn her favorite song. mrs. Jones charges $80 per lesson and requires three lessons to teach Samatha the song. mr. Beliz charges $62 per lesson and will require four lessons to teach Samatha the song. Which is a better deal for samantha?

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.