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
24.263 to the nearest tenths is 24.3
24 to the nearest tenths is 24.0
18.751 to the nearest tenths = 18.8