Why do we multiply by a power of 10 when writing a repeating decimal as a rational number

A cyclist rode the first 24-mile portion of his workout at a constant speed. For the 20-mile cooldown portion, of his workout, he reduced his speed by 2 miles per hour. Each portion of the workout took the same time.

Relate Hundreths and decimals

Which expression gives the y-intercept of the line when the equation is in standard form?

Lauren has five shells she found on the beach seashells represent one-third of the shells her whole collection how many shells does Lauren have in her whole collection

178.03 round to the nearest tens

Explain the difference between gross income and net income

8% of 261 in decimal form

Can u simplify 66/90

Which of the following sequences is NOT an arithmetic sequence? Question 1 options: 220,230,240 ... 32,34,37,41 ... 3,6,9,12 ... 4,6,8, ...

Hey bracelet is made up of 14 red beads 19 gold beads. a necklace is made up of 84 red beets and 133 gold beads do the two pieces of the jewelry have the same ratio of red beets and gold beads