Question

find the value of (4√81 -4√16)​

Answer 1

Answer:

20

Step-by-step explanation:

4√81−4√16

=20

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Answer 2

Answer:

$4 \sqrt{81} - 4 \sqrt{16 } \\ (4 \times 9) - (4 \times 4) \\ 36 - 16 \\ 20$