√45 × √20 is equal to:

(a) 15 (b) 30 (c) 25 (d) None of these​

Question

√45 × √20 is equal to:

(a) 15 (b) 30 (c) 25 (d) None of these​

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Isabella 10 months 2021-07-19T03:26:00+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-07-19T03:27:36+00:00

    Answer:

    option b is the answer

    Step-by-step explanation:

    hope it helps you❤

    0
    2021-07-19T03:27:49+00:00

    Answer:

     \sqrt{5 \times 9}  \times  \sqrt{4 \times 5 }  \\  = 3 \sqrt{5}  \times 2 \sqrt{5}  \\  = 6 \times 5 \\  = 30

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