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When subtracting 5.678 from 10.0, how should the answer be rounded?

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Question: When subtracting 5.678 from 10.0, how should the answer be rounded?

Options:

  1. 4.32
  2. 4.3
  3. 4.4
  4. 4.00

Correct Answer: 4.3

Solution:

In subtraction, the result should be rounded to the least number of decimal places. 10.0 has one decimal place and 5.678 has three, so the answer should be rounded to one decimal place: 4.32 becomes 4.3.

When subtracting 5.678 from 10.0, how should the answer be rounded?

Practice Questions

Q1
When subtracting 5.678 from 10.0, how should the answer be rounded?
  1. 4.32
  2. 4.3
  3. 4.4
  4. 4.00

Questions & Step-by-Step Solutions

When subtracting 5.678 from 10.0, how should the answer be rounded?
  • Step 1: Identify the numbers you are working with: 10.0 and 5.678.
  • Step 2: Determine the number of decimal places in each number. 10.0 has 1 decimal place, and 5.678 has 3 decimal places.
  • Step 3: Perform the subtraction: 10.0 - 5.678 = 4.322.
  • Step 4: Decide how to round the answer based on the number with the least decimal places. Since 10.0 has 1 decimal place, round the answer to 1 decimal place.
  • Step 5: Round 4.322 to 1 decimal place, which gives you 4.3.
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