Alcia received a $75 gift certificate for her birthday. she went to a boutique to buy some t- shirts at $7 each and some socks for $2.50 a pair. if t represents the number of t-shirts, and s represents the number of pairs of socks she bought, write an inequality that would determine the number of t-shirts and pairs of socks she could buy. hurry

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.