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Multiply mentally. 4.2 × 200 HELP

Multiply mentally. 4.2 × 200 HELP
34.8k views
2 votes
Multiply mentally.
4.2 × 200
HELP

User Fourk
by
8.0k points

1 Answer

1 vote
what u basically do is 4 x 200 = 800 then u do 2 x 2 = 840
User JeremyWeir
by
8.2k points
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