Expert: Lynn Houston - 11/30/2008

Question
wow you're pretty good :)


23. Write in scientific notation: 762.20

a.) 76.220 x 10^1        b.) 0.76220 x 10^3

c.) 7.6220 x 10^2        d.) 7.622 x 10^-2



24. Write in scientific notation: 0.0000460

a.) 0.46 x 10 ^-4         b.) 4.60 x 10 ^-5

c.) 4.6 x 10 ^-4          d.) 460 x 10 ^-5



25. Write in scientific notation: 0.025 x 10 ^-2

a.) 2.5 x 10^-4           b.) 25 x 10^-3

c.) 2.5 x 10^4            d.) 25 x 10^3



26. Write in scientific notation: 0.04775

a.) 4.775 x 10^1        b.) 4.775 x 10^-1

c.) 47.75 x 10^2        d.) 4.775 x 10^-2



27. Write in decimal form: 10^-4

a.) 1,000         b.) 100

c.) 0.00001       d.) 0.0001



28. Write in decimal form: 10^7

a.) 1,000,000      b.) 0.0000001

c.) 10,000,000     d.) 10,000



29. Write in decimal form: 6.20 x 1^-2

a.) 620        b.) 0.0620

c.) 0.620      d.) 6.20



30. Simplify: (7.5 x 10^6)(5.0 x 10^-1) /  1.5 x 10^8  

a.) 2.5 x 10^2       b.) 2.5 x 10^-14

c.) 2.5 x 10^-2      d.) 2.5 x 10^7  

Answer
They're getting harder... what grade are you in?

23. Write in scientific notation: 762.20

c.) 7.6220 x 10^2       


24. Write in scientific notation: 0.0000460

b.) 4.60 x 10 ^-5



25. Write in scientific notation: 0.025 x 10 ^-2

a.) 2.5 x 10^-4


26. Write in scientific notation: 0.04775

d.) 4.775 x 10^-2


27. Write in decimal form: 10^-4

d.) 0.0001


28. Write in decimal form: 10^7

c.) 10,000,000


29. Write in decimal form: 6.20 x 1^-2

d.) 6.20


30. Simplify: (7.5 x 10^6)(5.0 x 10^-1) /  1.5 x 10^8  

c.) 2.5 x 10^-2