#### Answer

$6a$

#### Work Step by Step

Step 1: $\sqrt {36a^{2}}$
Step 2: $\sqrt {36}\times\sqrt {a^{2}}$
Step 3: $6\times a$
Step 4: $6a$

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

$6a$

Step 1: $\sqrt {36a^{2}}$
Step 2: $\sqrt {36}\times\sqrt {a^{2}}$
Step 3: $6\times a$
Step 4: $6a$

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