1) 7.619 BY10-3 2) 7.254 BY102

3) 7.441 BY103

4) 6.149 BY10-1

5) 9.123 BY106

6) 6.333 BY100

7) 6.728 BY104

8) 6.725 BY106

9) 6.193 BY106

10) 5.126 BY10-2

Convert each number from real to scientific notation.

11) 0.00006228

12) 0.00007243

13) 13,760

14) 839.1

15) 0.00006324

16) 0.003136

17) 0.00009435

18) 0.0006437

19) 0.001232

20) 0.007955

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.