1.6 Practice. Scientific Notation. Order Real Numbers.
1. Evaluate. Show negative exponent both as a decimal and as a fraction.
1)
2)
3)
4)
5)
6)
7)
8)
2. Write the numbers in scientific notations.
1) 98,000
2) 0.0004
3) 125 billion
4) 0.091
5) 0.0000451
6) 0.0089
7) 158
8) 30,600
3. Write the numbers in standard form.
1) 9 ×
2) 42 ×
3) 8.3 ×
4) 1.95 ×
5) 9.02 ×
6) 2.3 ×
7) 6.032 ×
8) 8.977 ×
4. Compare.
1) 3.5 ×
____ 2.1 ×
4) 6.279 ×
____ 1.8 ×
7)
;
2) 1.9 ×
____ 5.3 ×
5) 2.56 ×
_____
8)
6. Are the fractions
7. Write (
)+ (
,
,
,
)+ (
_____ 4.2 ×
_____
5. Graph the following numbers on a number line
3) 2.3 ×
____ 2.3 ×
6) 4.3 ×
9)
;
_____ 1.6 ×
_____
, –3.68 ,–3.97,
arranged in order from least to greatest or from greatest to least? Explain
)+(
)+(
) in standard form.
8. Order the following numbers from greatest to least:
a) –13.1
13% 1.3 x 10-2
b) 1.5 x 104
√
15
5.1 x 10-3
1.5
150%
Let’s order the following real numbers from least to greatest.
.128
9.
11.
–3.56
13.
19%
12.2%
1.01 x 101
–3.9 x 10-2
–
–313%
1.9 x 105
1.9%
29%
10.
12.
√
1
√
14.
2.23
115%
7
√
15. –4.56
16. Which of the following numbers is between
F 0.0005
H 0.05
and
?
G 0.005
J 333
Choose the greater number in each pair.
17.
4.62 x 10-3
2
OR
.000462
18. 3.06 x 10-5
OR
3.60 x 10-5
8 x 10-1
√
1.19 x 10-1
√
1.4
6.1 x 10-1