It is 4.3
428 round to the nearest ten is 430.
400
It is then 19.1 to the nearest tenths
(.7 * 1) g / 428 g = 0.0016355140 (Unitless)
It is 17.9 to the nearest tenths
500
It is: 400
8.96 to the nearest tenths is 9.0
116 to the nearest tenths is 116.0
24 to the nearest tenths is 24.0
9.86 to the nearest tenths = 9.9
2.874 to the nearest tenths = 2.9