Question

Exercise 4.1
1. Use the sign (+) or (-) for the following.
a) Profit
b) Loss
c) Deposit in bank
d) Withdrawal from bank
e) Temperature above 0°C
f) Temperature below 0°C
g) 2000 m above sea level
h) 400 m below sea level
​

Answer 1

Answer:

1.a)+

b)-

c)+

d)-

e)+

f)-

G)+

h)-

Answer 2

Answer:

• for profit it is (+)
• for loss it is(-)
• for deposit in bank it is (+)
• for withdrawal from bank it is(-)
• temperature above 0°C is (+)
• temperature below 0°C is( -)
• 2000m above sea level is( +)
• 400 below sea level is( -)