Solve -4/-8 ÷ 0.7: Determining the Final Sign

Will the result of the exercise below be positive (+) or negative (-)?

48:0.7 \frac{-4}{-8}:0.7

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the result sign
00:03 Let's find the sign of each number
00:10 Negative divided by negative always equals positive
00:19 Positive divided by positive always equals positive
00:22 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Will the result of the exercise below be positive (+) or negative (-)?

48:0.7 \frac{-4}{-8}:0.7

2

Step-by-step solution

In this question, we only need to work out whether the resulting value is negative or positive.

In other words, the division exercise can be considered as follows:

:+= \frac{-}{-}:+=

If we solve the exercise from left to right, we first divide the numerator of the negative fraction by the denominator of the negative fraction:

=+ \frac{-}{-}=+

This leaves us with:

+:+=+ +:+=+

Therefore, the result of the exercise will be positive.

3

Final Answer

+

Practice Quiz

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What will be the sign of the result of the next exercise?

\( (-2)\cdot(-4)= \)

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