Question

3. Calcule as raizes:

a) 5 × √36 = d) √16 × √49 =

b) 40 ÷ √25 = e) √64 + √81

c) √121 − √100 = f) 2 × √144 + 6 =

Answer 1

a) 5x6= 30
b) 40/5=8
c) 11-10=1
d) 4x7=28
e) 8+9= 17
f) 2x12+6= 30

Answer 2

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$\large\boxed{\begin{array}{l}\tt a)~\sf5\times\sqrt{36}=5\times6=30\\\tt b)~\sf40\div\sqrt{25}=40\div5=8\\\tt c)~\sf\sqrt{121}-\sqrt{100}=11-10=1\\\tt d)~\sf\sqrt{16}\times\sqrt{49}=4\cdot7=28\\\tt e)~\sf\sqrt{64}+\sqrt{81}=8+9=17\\\tt f)~\sf 2\times\sqrt{144}+6=2\times12+6=24+6=30\end{array}}\blue{\checkmark}$