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BI
Big Ideas Math: Modeling Real Life, Grade 8
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1. Finding Square Roots
1. Equations
p. 4-35
9 Subchapters
2. Transformations
p. 44-95
12 Subchapters
3. Angles and Triangles
p. 104-133
9 Subchapters
4. Graphing and Writing Linear Equations
p. 142-191
12 Subchapters
5. Systems of Linear Equations
p. 200-229
9 Subchapters
6. Data Analysis and Displays
p. 238-267
9 Subchapters
7. Functions
p. 276-311
10 Subchapters
8. Exponents and Scientific Notation
p. 320-365
12 Subchapters
9. Real Numbers and the Pythagorean Theorem
p. 374-419
11 Subchapters
10. Volume and Similar Solids
p. 428-457
9 Subchapters
Start
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Try It
p. 374-376
15 Solutions
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Self-Assessment for Concepts & Skills
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Self-Assessment for Problem Solving
p. 377
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Review & Refresh
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Concepts, Skills, & Problem Solving
p. 378-380
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Exercise
1
Page
378
Page
378
Hint & Answer
Solution
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Hints
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Start by
factoring
out 10^3.
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Check the answer
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6.7* 10^3
Practice makes perfect
Practice exercises
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Asses your skill
Test your problem-solving skills with the Roots test
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Progress overview
We want to
add
two numbers that are written in
scientific notation
.
(4.3* 10^3)+(2.4* 10^3) Notice that the
exponent
of 10 is the same for both numbers. To add the expressions, we can
factor
out 10^3.
(4.3* 10^3)+(2.4* 10^3)
FactorOut
Factor out 10^3
(4.3+2.4)* 10^3
AddTerms
Add terms
6.7* 10^3
Roots
Level 1 exercises - Roots
Level 2 exercises - Roots
Level 3 exercises - Roots
Subchapter links
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Try It
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Self-Assessment for Concepts & Skills
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Self-Assessment for Problem Solving
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Review & Refresh
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Concepts, Skills, & Problem Solving
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