Multiple Choice
Simplify. 5–1(3–2)
(1 point)
Responses
45
45
Image with alt text: 1 over 45
15–3
15 –3
152
15 2
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The correct answer is 15 - 3.
2 of 102 of 10 Items
Question
Simplify mn-4/p⁰q-2 .
(1 point)
Responses
Image with alt text: Start Fraction lower m lower q squared over lower n superscript 4 baseline End Fraction
Image with alt text: Start Fraction lower m lower p over lower n superscript 4 baseline End Fraction
Image with alt text: lower m lower n superscript negative 4 baseline lower q squared lower p superscript 0 baseline
Image with alt text: Start Fraction lower q squared over lower m lower n superscript 4 baseline End Fraction
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The correct answer is: Start Fraction lower m lower n superscript negative 4 baseline lower q squared lower p superscript 0 baseline
Write in scientific notation. 0.0042
(1 point)
Responses
42 × 10–2
42 × 10 –2
4.2 × 10–4
4.2 × 10 –4
4.2 × 10–3
4.2 × 10 –3
.42 × 10–4
.42 × 10 –4
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The correct answer is: 4.2 × 10–3
Write in standard notation. 6.12 × 103
(1 point)
Responses
6,120
6,120
612
612
61,200
61,200
61.2
61.2
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The correct answer is: 6,120
Simplify. Write in scientific notation. 0.5(8 × 105)
(1 point)
Responses
8 × 55
8 × 5 5
4 × 55
4 × 5 5
8 × 105
8 × 10 5
4 × 105
4 × 10 5
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The correct answer is: 4 × 105
Simplify. Write in scientific notation. (9 × 10–3)2
(1 point)
Responses
8.1 × 10–5
8.1 × 10 –5
81 × 10–4
81 × 10 –4
81 × 10–3
81 × 10 –3
8.1 × 10–6
8.1 × 10 –6
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