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Mathematics 10 Online
OpenStudy (anonymous):

Multiply mentally. 4.2 × 200

OpenStudy (anonymous):

840.

OpenStudy (anonymous):

Do you need me to explain it?

OpenStudy (anonymous):

yes please

OpenStudy (anonymous):

840

OpenStudy (anonymous):

4 * 2 = 8 2 * 2 = 4

OpenStudy (anonymous):

@iGreen. You multiply strangely but that makes sense.

OpenStudy (anonymous):

duh i feel so dumb right now

OpenStudy (anonymous):

i get it though

OpenStudy (anonymous):

ty

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