Write the following numbers in standard notation: a. 9 x 103

b. 7.7 x 10-5

c. 4.99 x 10-9

d. 2.25 x 1010

If jill was traveling at 300 miles in 4 hours due south what was his velocity in miles per minute a) 75 miles per hour due south b) .02 miles per second due south c) .5 miles per second due south d) 1 mile per hour due south

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Which situation will produce the greatest change of momentum