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

Question

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

Video Solution

Solution Steps

00:00 Choose the appropriate sign
00:06 Positive divided by negative is always negative
00:16 We don't have enough data to determine the sign of unknown A
00:20 Therefore it cannot be determined
00:23 And this is the solution to the question

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.

Answer

It is not possible to calculate