What is 1042 L rounded off to two significant digits?

Answer 1

To write 1042 L to two significant figures, you'll need to use scientific notation.

It can't be 1000 L, because that has only one significant figure, because trailing zeros with no decimal point are not significant. To write 1042 L to two significant figures, you need to write it as 1.0 × 10³ L.

Answer 2

1042 L rounded off to two significant digits is 1000 L.

Answer 3

1,000 L to 2 s.f., or 1,000 (2 s.f.) or 1,000 L.

Answer 4

4