Question

a) √ 49 + √ 16 =

b)3√ 8 -4√ 16 =

c)-5√ 9 + 2√ 169 =

Answer 1

a) 7+4=11
b)3+2+4=9
c)-5+3,31+13=11.31

Answer 2

a) √49=7 + √16=4
7+4
11

b) 3√8= 3.3.8 - 4.4.√16= 4
9.8 - 16.4
72 - 64
8

c) -5√9 + 2√169
-5. -5 . √9=3 +2.2.√169= 13
25.3 + 4. 13
75 + 52
127

espero ter ajudado c: