Question

Round off this to correct significant figures:

$\sf{3\times{10^{8}\times{3.1557\times{10^{7}}}}}$​

Answer 1

Answer:

Nine. four six seven one power one

Answer 2

Answer:

To round to a significant figure:

look at the first non-zero digit if rounding to one significant figure.

look at the digit after the first non-zero digit if rounding to two significant figures.

draw a vertical line after the place value digit that is required.

look at the next digit.

hope it helps you to

make me brilliant