846 * 2
We can use mental math to do this problem!
846 = 800 + 40 + 6
I changed 846 into smaller, easier to work with numbers.
Now, we need to multiply all of our "pieces" of 846 by 2.
800 * 2 = 1600
40 * 2 = 80
6 * 2 = 12
And then add together -> 1600 + 80 + 12 = 1692
This means, 846 * 2 = 1692.
You can also use a calculator if you're not sure, or the multiplication algorithm.
846
x 2
----
1692
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2 x 42=84 4 x 21=84 6 x 14=84
168
1 x 84 84 x 1 2 x 42 42 x 2 3 x 28 28 x 3 4 x 21 21 x 4 6 x 14 14 x 6 7 x 12 12 x 7
All of these: 1 x 84, 2 x 42, 3 x 28, 4 x 21, 6 x 14, 7 x 12
6 x 14 = 84