Advertisements
Advertisements
प्रश्न
Find 34 − (−72) and (−72) − 34. Are they equal?
Advertisements
उत्तर
No, they are not equal.
34 − (−72)
= 34 + 72
= 106
(−72) − 34
= −72 − 34
= −106
Since 106 is not equal to −106, the two expressions are not equal.
APPEARS IN
संबंधित प्रश्न
State, true or false of the given statement:
product of two integers can be zero.
Add: –7 + 2
Write the opposite of the following: An increase of 8
Write all integers between: 0 and 6
Find the value of: |0|
Divide: –639 by –71
Evaluate: (–40) ÷ (–10)
The potable water available at 100 m below the ground level is denoted as ___________ m
An atom changes to a charged particle called ion if it loses or gains electrons. The charge on an ion is the charge on electrons plus charge on protons. Now, write the missing information in the table given below:
| Name of Ion | Proton Charge | Electron Charge | Ion Charge |
| Hydroxide ion | +9 | – | –1 |
| Sodium ion | +11 | – | +1 |
| Aluminium ion | +13 | –10 | – |
| Oxide ion | +8 | –10 | – |
Write the integers between the given pairs (write them in increasing order)
–30 and –23
