1.
(01.03 MC)
Which expression is equivalent to 66 • 6–9? (1 point)
2.
Mathematics is possible because the Universe was Created by an orderly God.
True
False
3.
(01.07 MC)
The amounts of paper waste generated in a region during two years were 41,300,000 tons and 50,500,000 tons. What was the total paper waste generated over these two years in the region, expressed in scientific notation? (1 point)
91.8 • 107 tons
91.8 • 1014 tons
9.18 • 1014 tons
9.18 • 107 tons
4.
(01.03 LC)
What is p–m ÷ p–n equal to? (1 point)
p–m – (–n)
p–m – n
p–m (–n)
p–m ÷ n
5.
(01.07 MC)
The distance of planet Jupiter from the Sun is approximately 7.8 • 108 kilometers, and the distance of planet Mercury from the Sun is approximately 5.8 • 107 kilometers. About how many more kilometers is the distance of Jupiter from the Sun than the distance of Mercury from the Sun? (1 point)
2.0 • 101
2.0 • 108
7.2 • 107
7.2 • 108
6.
(01.05)
Simplify ten to the eighth divided by ten to the negative third . (1 point)
103
1011
7.
(01.05 MC)
Which number line represents all of the values of x for the equation x2 = 25? (1 point)
8.
Exponents point us to the size, power, and intellect of God.
True
False
9.
(01.07 LC)
What is the product of 2.4 • 103 and 1.5 • 103? (1 point)
3.6 • 106
3.9 • 106
3.6 • 109
3.9 • 109
10.
(01.05 LC)
If x2 = 60, what is the value of x? (1 point)
±30
±120
11.
(01.01 LC)
Which of the following is a rational number?
(1 point)
12.
(01.07 HC)
A closed container has 5.04 • 1023 atoms of a gas. Each atom of the gas weighs 1.67 • 10-24 grams.Which of the following shows and explains the approximate total mass, in grams, of all the atoms of the gas in the container? (1 point)
8.42 grams, because (5.04 • 1.67) • (1023 • 10-24 ) = 8.4168
6.71 grams, because (5.04 + 1.67) • (1023 • 10-24 ) = 6.71
0.67 grams, because (5.04 + 1.67) • (1023 • 10-24 ) = 6.71 • 10-1
0.84 grams, because (5.04 • 1.67) • (1023 • 10-24 ) = 8.4168 • 10-1
13.
(01.02 LC)
There are (43)2 • 40 strawberries on a farm. What is the total number of strawberries on the farm? (1 point)
46
48
49
416
14.
(01.05 MC)
Which shows the expressions in the order they would appear on a number line from least to greatest? (1 point)
43, , , ,
, , , , 43
43, , , ,
, , , , 43
15.
(01.01 LC)
Which rational number equals ? (1 point)
16.
(01.02 MC)
If (42)p = 414, what is the value of p? (1 point)
7
8
12
16
17.
(01.05 LC)
Simplify (84)–16. (1 point)
8–64
8–20
8–12
8–4
18.
(01.01 MC)
Which decimal number best describes the fraction ? (1 point)
A repeating decimal
A terminating decimal 22.83
A repeating decimal
A terminating decimal 22.82
19.
(01.07 LC)
What is the value of the expression ? (1 point)
2.0 × 102
2.0 × 101
1.5 × 102
1.5 × 1010
20.
(01.03 MC)
What is the simplified expression for ? (1 point)
61
62
63
67
21.
(01.02 MC)
There are (72)3 • 70 lambs on a farm. What is the total number of lambs on the farm? (1 point)
0
7
75
76
22.
(01.06 LC)
Which number is not in scientific notation? (1 point)
7 • 1024
0.8 • 103
1.09 • 10–2
1.8 • 10–5
You don't ask for much, do you?
no ideas on any of these?
and use ^ for exponents, as in 100 = 10^2