On a new construction site, an electrician can install a new light fixture in 20 minutes. a project calls for 24 new fixtures to be installed on each of 4 floors. if a work day is 8 hours, how many work days will it take two electricians to complete the installations?

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.

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship