Open Up - Grade 8 - Mathematics - Unit 7 - Lesson 4
By Formative Library
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Last updated about 3 years ago
13 Questions
1 point
1
Question 1
1.
Evaluate:
100
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1
Question 2
2.
Evaluate:
\frac{10^3}{10^3}
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1
Question 3
3.
Evaluate:
102 + 101 + 100
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1
Question 4
4.
Evaluate:
102 + 101 + 100
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1
Question 5
5.
Write each expression as a single power of 10.
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1
Question 6
6.
Write each expression as a single power of 10.
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1
Question 7
7.
Write each expression as a single power of 10.
1 point
1
Question 8
8.
Write each expression as a single power of 10.
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1
Question 9
9.
Write each expression as a single power of 10.
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1
Question 10
10.
The Sun is roughly 102 times as wide as the Earth. The star KW Sagittarii is roughly 105 times as wide as the Earth. About how many times as wide as the Sun is KW Sagittarii?
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1
Question 11
11.
Bananas cost $1.50 per pound, and guavas cost $3.00 per pound. Kiran spends $12 on fruit for a breakfast his family is hosting. Let b be the number of pounds of bananas Kiran buys and g be the number of pounds of guavas he buys.
Rearrange the equation so b is the independent variable.
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1
Question 12
12.
Bananas cost $1.50 per pound, and guavas cost $3.00 per pound. Kiran spends $12 on fruit for a breakfast his family is hosting. Let b be the number of pounds of bananas Kiran buys and g be the number of pounds of guavas he buys.
Rearrange the equation so g is the independent variable.
1 point
1
Question 13
13.
Lin’s mom bikes at a constant speed of 12 miles per hour. Lin walks at a constant speed \frac{1}{3} of the speed her mom bikes.
Sketch a graph of both of these relationships.
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