Whats negative three and one third times negative two and two fifths

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

How many atoms are there in 5.70 mol of mg