Solve Sequential Division: +800÷(-4)÷a=?0 Step-by-Step

+800:4:a?0 +800:-4:a\text{?}0

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:08 Let's start by choosing the right sign.
00:14 Remember, a positive number divided by a negative number is always negative.
00:24 We don't have enough information to find out the sign of the unknown A.
00:30 So, it cannot be determined.
00:32 And that's how we solve this problem!

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

+800:4:a?0 +800:-4:a\text{?}0

2

Step-by-step solution

Note that in the first stage we are dividing a positive number by a negative number:

+:= +:-=-

Now the exercise is:

:a?0 -:a?0

Since we don't know whether a is a positive or negative number, we cannot determine the sign.

3

Final Answer

It is not possible to calculate

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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