geegee312005ozmw6s
geegee312005ozmw6s geegee312005ozmw6s
  • 13-09-2019
  • Mathematics
contestada

Find each of the following square roots. (Hint: All examples are perfect squares.)
a. √16
b. √169
c. √64
d. √400

Respuesta :

gmany
gmany gmany
  • 13-09-2019

Step-by-step explanation:

[tex]\sqrt{a}=b\iff b^2=a,\ \text{for}\ a\geq0\ \text{and}\ b\geq0.\\\\a.\ \sqrt{16}=4\ \text{because}\ 4^2=16\\\\b.\ \sqrt{169}=13\ \text{because}\ 13^2=169\\\\c.\ \sqrt{64}=8\ \text{because}\ 8^2=64\\\\d.\ \sqrt{400}=20\ \text{because}\ 20^2=400[/tex]

Answer Link
ghanami
ghanami ghanami
  • 13-09-2019

Answer:

Step-by-step explanation:

√16 =  √4² = 4

√169=√13² = 13

√64 = √8² = 8

√400 = √20² = 20

Answer Link

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