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11-10-2019
Mathematics

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Simplify each expression as much as possible. √45=?

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marcthemathtutor marcthemathtutor

11-10-2019

Answer:

3√5

Step-by-step explanation:

45 can be expressed as:

45 = 3 x 3 x 5

hence

√45

= √ (3 x 3 x 5)

= √ (3² x 5)

= √3² x √5

= 3√5

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