Taylor kept track of the number of hours that he spent at the media center each week for several weeks. He spent 8, 2, 5, 10, and 5 hours.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Use sigma notation to represent the following series for 9 terms.

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?