What is 348,000,000,000,000 estimated as the product of a single digit and a power of 10? note: this is a question regarding scientific notation.

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?