Question

Multiply using Napier's rods.3 x 4565

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Answer 1

You mean with actual Napier's rods or with a similar technique?

Answer 2

Here is an example you can follow: http://www-history.mcs.st-andrews.ac.uk/Extras/Napier_rods.html

Answer 3

You're multiplying by a single digit, so you only need one row.
4,5,6,5 multiplied by 3 gives 12,15,18,15 which on Napier's rods looks like:
1/2 1/5 1/8 1/5
Numbers next to each other without a / between them get added together -
1/2+1/5+1/8+1/5
Those become the digits of your answer.

Answer 4

is it 3 or .3?