Aye daddy
Lucky thing i just came back xD
Its 78.66 to the nearest sig fig
U can google it 2
Since it takes 4ever to type it out i wrote it intead srry if its messy lol
1.26 gms/cm^3 [tex][\frac{1 pound}{454 grams}]*[\frac{28317 cm^3}{1 ft^3}][/tex]
numerator: (1.26 * 1 * 28317)
denominator:454 * 1 * 1
numerator/ denominator = 35679/454 = 78.59 pounds / ft^3
