Advertisements
Advertisements
Question
If we denote the height of a place above sea level by a positive integer and depth below the sea level by a negative integer, write the following using integers with the appropriate signs:
Sea level
Advertisements
Solution
Given, the height of a place above sea level is denoted by positive (+) sign and depth below the sea level is denoted by negative (–) sign.
Sea level = 0
APPEARS IN
RELATED QUESTIONS
Use the sign of >, < or = in the box to make the statements true.
– 231 + 79 + 51
–399 + 159 + 81
Find the value of: |−36|
Fill in the blanks:
(−9) + 16 = .......
Subtract: 68 from −37
Subtract: −135 from −250
Verify the following: (−13) × [(−6) + (−19)] = (−13) × (−6) + (−13) × (−19)
On subtracting −5 from 10, we get
Fill in the blank using <, = or > :
–60 ______ 50
From given integers in Column I match an integer of Column II so that their product lies between –19 and –6:
| Column I | Column II |
| –5 | 1 |
| 6 | –1 |
| –7 | 3 |
| 8 | –2 |
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 loses an electron?
