To round 4.35 tenths by ten, you first convert it to a whole number, which is 4.35 tenths = 4.35. When rounding to the nearest ten, you consider the tens place, which is 0 in this case. Since 4.35 is much closer to 0 than to 10, it rounds down to 0.
It is simply 117.0 but rounded to the nearest ten it is 120
12.0905 rounded to the tenths is 12.1
0.05 rounded to the tenths is 0.1
50.55 rounded to the tenths is 50.6
Rounded to the nearest tenths it is 1.4
440
440
It is simply 117.0 but rounded to the nearest ten it is 120
It is already rounded to the tenths as 1.5
12.0905 rounded to the tenths is 12.1
0.05 rounded to the tenths is 0.1
50.55 rounded to the tenths is 50.6
435
It is then 855.8 when rounded to the nearest tenth
Rounded to the nearest tenths it is 1.4
693.9146 rounded to the tenths place is 693.9
7.892 rounded to the tenths place is 7.9