Question

any one knows whats 11x121=

Answer 1

1331?

Answer 2

1331

Answer 3

R u supposed to do this by hand?

Answer 4

U asked the same question twice, why?

Answer 5

what do u want to lern especially?

Answer 6

11 multiples of 121 = 11*121 = 11(121) = 121 + 1210 =1331

Answer 7

This question has already been answered a couple posts back.

Answer 8

http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e52d0490b8b958804b64315

Answer 9

cool thing is it looks like binomial expansion

Answer 10

\[11^0=1\]
\[11^1=11\]
\[11^2=121\]
\[11^3=1331\]
\[11^4=14641\]

Answer 11

another cool thing is how easy it is to multiply a number by 11
just copy it down twice, with the second one one place to the left

11 * 1243
1 2 5 3
1 2 5 3
______________________
1 3 7 8 3

Answer 12

isn't the answer the following?

1243
1243
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13,673