Question

3. Write each expression as a single number.
a) 30 + 31 + 3-1
b) 5-1 + 5-2

Answer 1

Answer:

a) 30 + 31 + 3 - 1

= 63

b) 5 - 1+ 5 - 2

= 7

Hope this will help u.....

Answer 2

Answer:

a) 30+31+3-1=61+2=63

b) 5-1+5-2=4+3=7

Step-by-step explanation:

Hope it will help you

MARK ME AS BRAINLIEST