8th Grade 3 Weeks Test Review 8/25

Scientific Notation

1

Write .00000489 in Scientific Notation 

4.89 x 10^-6 

2

Write 789520 in Scientific Notation 

7.89520 x 10⁵

3

Write .000394 in Scientific Notation 

3.94 x 10^-4

4

Write 4871300000000 in Scientific Notation

4.8713 x 10¹²

5

Write .000000000000076 in Scientific Notation

7.6 x 10^-14

Rational/ Irrational

1

Is 567 Rational or irrational 

Rational 

2

π  is ________

Irrational 

3

 6.140 

Rational 

4

8.7689........

irrational 

5

24/32

Rational

Order #s Least to Greatest

1

32, 10, 2, 6, 50

2,6,10,32,50

2

3.22, .456, .2, 2.12, 4.33

.2, .456, 2.12, 3.22, 4.33

3

0.33, 0.3, .65, .77, .21

.21, .3, .33, .65, .77

4

45.5, 44.6, 45.2, 46.7, 44.3

44.3, 44.6, 45.2, 45.5, 46.7 

5

100, 956, 78, 500, 123 

78, 100, 123, 500, 956

Ordering #'s Greatest to Least

1

123, 142, 193, 122, 145 

193, 145, 142, 123, 122

2

0.6, 0.7, 0.12, 0.87, 0.65

.87, .7, .65, .6, .12

3

23, 45, 15, 54, 36

54, 45, 36, 23, 15

4

5, -10, 15, -25, -8

15, 5, -8, -10, -25

5

-.23, .56, .32, -.43, .21

.56, .32, .21, -.23, -.43

Standard Form

1

Write 4.5 x 10⁵ in standard form 

450000

2

Write 2.6 x 10^-9 in standard form 

.0000000026 

3

Write 9.4 x 10^-3 in standard notation

.0094

4

Write 7.8 x 10⁶ in standard notation

7800000

5

write 2.3 x 10² in standard notation

230