Can someone calculate this using the correct number of significant figures? 7166.0-2.4*10^23

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

Can someone me with these questions plz.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?