4 divided by 6.48 rounded to the nearest tenth

The Final answer is 0.6

4 / 6.48 = 0.61 ...

rounded to the nearest tenth is 0.6

4 is estimated to : 4.0

6.48 is estimated to 6.5 (or you can say 6.50 they are equivalent to the same thing)

6.48 : 4 actual answer is 1.62 (or you can say "1.620" they are both equivalent to the same thing as well)

But, 6.5 : 4.0 is estimated to 1.625