Math Problem Statement
Solution
To estimate the value of the given expression by rounding each number to 1 significant figure, let's follow the steps:
The given expression is:
Step 1: Round each number to 1 significant figure:
- rounds to
- rounds to
- rounds to
Step 2: Substitute the rounded numbers into the expression:
Step 3: Simplify the expression:
Final Answer:
The estimated value of the expression is 7.
Do you want further details or have any questions?
Here are 5 related questions to explore:
- How do we round numbers to a specific number of significant figures?
- What would happen if we rounded to 2 significant figures instead of 1?
- How do you handle rounding when adding or subtracting numbers?
- Why is rounding important in estimation problems?
- How can you apply this concept in real-world scenarios like budgeting?
Tip: When estimating, always ensure that all numbers are rounded to the same number of significant figures for consistency.
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Math Problem Analysis
Mathematical Concepts
Rounding
Estimation
Basic Arithmetic
Formulas
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Theorems
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Suitable Grade Level
Grades 5-7
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