Math Problem Statement

Find each difference-3.7 - (4.9)

Solution

To find the difference of 3.7(4.9)3.7 - (4.9), follow these steps:

  1. Recall that subtracting a positive number is the same as adding its negative. So, 3.74.93.7 - 4.9 becomes 3.7+(4.9)3.7 + (-4.9).
  2. Now perform the addition:

3.7+(4.9)=1.23.7 + (-4.9) = -1.2

Thus, the difference is 1.2-1.2.

Would you like more details on any of the steps?

Here are five related questions for you:

  1. What is the result of 5.3(7.8)5.3 - (7.8)?
  2. How would you calculate 2.5(6.4)-2.5 - (-6.4)?
  3. What is the difference of 0(3.9)0 - (3.9)?
  4. Can you compute 12.1(15.6)12.1 - (15.6)?
  5. What is the result of 4.5(8.3)-4.5 - (8.3)?

Tip: Remember that subtracting a number is the same as adding its opposite (negative).

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Math Problem Analysis

Mathematical Concepts

Subtraction of real numbers
Addition of negative numbers

Formulas

a - b = a + (-b)

Theorems

Additive Inverse Property

Suitable Grade Level

Grades 6-8