Question

how you round significant figure on multiplication​

Answer 1

You would multiply (or divide) the numbers as usual, but then you would round the answer to the same number of significant digits as the least-accurate number.

Answer 2

Answer:

Rounding to a certain number of significant digits, or to a named "place", is fairly straightforward. The real question comes in how to round answers to the "appropriate" number of significant digits. If you've been given some values (lengths, say, or masses) and told to work with them, arriving at an answer which is rounded to the "appropriate" number of sig-digs, what does this mean?