Which of the following expresses the value 300,000,000 in correct scientific notation? Group of answer choices

3 x 108

0.3 x 10-9

3 x 10-8

0.3 x 109

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What happens to isotopes that are unstable?

What metric units would you use to measure the thickness of a key