Question

Calcule 3+√64 b 7 -√25 c √3.8+1. D √12/3

Answer 1

a) 3 + √64 = 3 + 8 = 11

b) 7 - √25 = 7 - 5 = 2

c) considerando √3 = 1,7 teremos: 1,7.8 + 1 = 13,6 + 1 = 14,6

d) √12/3 = √(2².3)/3 = (2√3)/3

Answer 2

3+√64
=3+8
=11

b 7 -√25
=7-5
=2

c √(3.8+1).
=√(24+1)
=√25
=5

D √(12/3)
=√4
=2