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crimeas [40]
3 years ago
7

What's an expression that can be used to multiply 6 x 198 mentally

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
6 0
So first you do 6×2 since 198 is 2 less than 200

And if you do the math, it would be 12

After that, you do 6×200, since if you round off 198, it would be 209

And if you do the math again, it would be 1200


After that if you subtract 12 from 1200, you would get 1188

So the answer is 1188


( Even if you calculate 6×198the way it is, you would get 1188)


Hope this helps:)
disa [49]3 years ago
3 0
Sense it is metal math you do 6 x 200
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