Question

2.1 If 5 + 3 = 0 and < 0, evaluate (without using a calculator):

Answer 1

1. 18

2.8

3.-1

What is expression?

An expression is a set of terms combined using the operations +, – , x or ,/.

Given:

1. 22 − 1 (4)

=22- 1*4

= 22-4

= 18

2. 2 + 2 (3)

=2+2*3

=2+6

=8

3. 1 − 2

= -1

Learn more about expression here:

brainly.com/question/14083225

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