Significant Figures

Use the rules for adding, subtracting, multiplying and dividing with significant figures to pick the correct answer.

Hint: When adding/subtracting it goes by place value - the number with the least amount of decimal places dictates how many decimal places you can keep. When multipling/dividing - it goes by the number of sig figs. - the number with the least amount of sig. fig.s dictates how many sig. figs. you can have.