Advertisements
Advertisements
Question
A student was asked to subtract (−12) from −47. He got −30. Is he correct? Justify.
Advertisements
Solution
Subtracting −12 from −47, we get
-47 – (−12) = −47 + (Additive inverse of −12)
= −47 + (+12) = −35
But the students answer is −30
So he is not correct.
APPEARS IN
RELATED QUESTIONS
Write down the pair of integers whose difference is −10.
Fill in the blank to make the following statement true:
17 + ______ = 0
Fill in the blank to make the following statement true:
(−4) + [15 + (−3)] = [−4 + 15] + ______
A lift is on the ground floor. If it goes 5 floors down and then moves up to 10 floors from there. Then in which floor will the lift be?
(–5) – (–18) = _____
Find the sum of (−9999) (−2001) and (−5999)
Encircle the odd one of the following.
(–43) + ______ = –43
5 – (–8) is same as 5 + 8.
The sum of an integer and its additive inverse is zero (0).
