Question

Subtract using a number line.

−2.3−(−0.4)

Plot the minuend and the difference on the number line.

Answer 1

You would plot -2.7

-2.3 - (-0.4) = -2.7

Starting from -2.3, you count 0.4 spaces to the left on the number line, leaving you with -2.7

Answer 2

Answer: -2.7

Explanation:
Its says to subtract a number line, then you need to do as it says, so you start by looking where is the plot! The plot is -2.7 then you know the difference between -2.3 and -2.7 and it's obvious its -0.4