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Mathematics 19 Online
OpenStudy (anonymous):

Evaluate 5! + 2!.

OpenStudy (diyadiya):

5! = 5 x 4 x 3 x 2 x 1 =120 2!= 2 x 1 =2 so 5!+2! = ?

OpenStudy (anonymous):

^ that's right

OpenStudy (anonymous):

120?

OpenStudy (anonymous):

no no, 60?

OpenStudy (diyadiya):

How ?

OpenStudy (anonymous):

I don't know, I'm confused.. 5,040?

OpenStudy (diyadiya):

Nooo! Ok tell me what is 5! \[5! = 5 \times 4 \times 3 \times 2 \times 1 = ?\]

OpenStudy (diyadiya):

Just multiply :)

OpenStudy (anonymous):

122??

OpenStudy (diyadiya):

What is 122 ? :D

OpenStudy (anonymous):

The answer?

OpenStudy (diyadiya):

Yes! But did you understand ?

OpenStudy (anonymous):

Yes! Thank you.

OpenStudy (diyadiya):

You're Welcome!

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