3which pairs of numbers in scientific notation show one number that is about

20 times as great as the other number?

choose all that apply.

a

b

c

d

e

2.01 x 10' and 4.25 x 106

5.97 x 104 and 3.12 x 103

4.91 x 106 and 5.09 x 103

8.21 x 10-3 and 4.13 x 10-4

2.94 x 10-8 and 6.22 x 10-7

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart