Advertisements
Advertisements
प्रश्न
Verify the following: 18 × [9 + (−7)] = 18 × 9 + 18 × (−7)
Advertisements
उत्तर
L.H.S.
=18 × [9 + (–7)]
= 18 × [9 – 7]
= 18 × 2
= 36
R.H.S.
=18 × 9 + 18 × (–7)
= 162 – (18 × 7)
= 162 – 126
= 36
∴ L.H.S = R.H.S
Hence, verified.
APPEARS IN
संबंधित प्रश्न
Add: 5 + (–6)
Fill in the blanks:
(−9) + 16 = .......
Write the successor of the following: −99
Find 34 − (−72) and (−72) − 34. Are they equal?
Multiply: 32 by –21
Complete the following multiplication table:
| x | -3 | -2 | -1 | 0 | 1 | 2 | 3 |
| -3 | |||||||
| -2 | |||||||
| -1 | |||||||
| 0 | |||||||
| 1 | |||||||
| 2 | |||||||
| 3 |
Divide: −72 by 18
The integer ‘5 units to the right of 0 on the number line’ is ______.
Write two integers which are greater than –10 but their sum is smaller than –10.
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 will be the charge on an atom if it gains an electron?
