What is the scientific notation for 21

Alan pays $25,000 for a truck from akins ford. they charge 8% interest. he has decided to finance it for 36 months. how much interest will alan pay?

The population of New York City in 2013 was about 8,406,000 people. Which number best approximates the population as a single digit times a power of 10? A. 9 * 106 B. 8x 106 C. 9 x 105 D. 8 x 10-6

Functions F (1) if f (x) = x+3

The distance to a thunderstorm is the number of seconds between seeing the lightning and hearing the thunder, divided by 5. A lightning flash at 9:28:30 PM is followed by thunder 45 seconds later. How far away is the thunderstorm?

Jenna's garden is 5 yards long. How long is her garden is feet?

You have checked out b books from the library, where b is a number greater than 5. You plan to read three of the books and return them at the end of this week. In how many ways can you pick the books you will read first, second, and third?

Evaluate the expression. 1. 35 - [6 + (42 - 2) ]

I'm PQR, QR is the perpendicular bisector of PR. PQ=9 and PS=6. Draw PQR. What is the perimeter of PQR?

What is the answer to this 8 (*/4 - 6) >4

Which set of fractions is ordered from least to greatest? A seven over eight, five over eleven, two over three B five over eleven, seven over eight, two over three C two over three, five over eleven, seven over eight D five over eleven, two over