Advertisements
Advertisements
Question
Fill in the blanks:
(−13) + 25 = .......
Advertisements
Solution
(−13) + 25
= −13 + 25
= 12
(−13) + 25 = 12
APPEARS IN
RELATED QUESTIONS
A plane is flying at the height of 5000 m above the sea level. At a particular point, it is exactly above a submarine floating 1200 m below the sea level. What is the vertical distance between them?
Add: 9 + (–3)
Indicate the following using '+' or '−' sign: 7°C below the freezing point
Find the sum of: −18, + 25 and −37
Complete the following multiplication table:
| x | -3 | -2 | -1 | 0 | 1 | 2 | 3 |
| -3 | |||||||
| -2 | |||||||
| -1 | |||||||
| 0 | |||||||
| 1 | |||||||
| 2 | |||||||
| 3 |
Which of the following is a true statement?
−4 and −3 are non-comparable
−5 − (−8) = ?
An atom consists of charged particles called electrons and protons. Each proton has a charge of +1 and each electron has a charge of –1. Remember number of electrons is equal to number of protons, while answering these questions:
- What is the charge on an atom?
- What will be the charge on an atom if it loses an electron?
- What will be the charge on an atom if it gains an electron?
Represent the following numbers as integers with appropriate signs.
A submarine is moving at a depth, of eight hundred metres below sea level.
Which statement accurately describes the number zero in the context of integers?
