How do you write big decimals as a normal answer

If you mean to make 1.7847 to something more like 1.8 or 2 then you'd round the number.

It depends on what your rounding to ex: nearest tenth, hundredth

1.7847 - round to nearest hundredth: If a number is higher than 5, it creates the number before it to be higher.

1.7847 → 1.785 → 1.79 this is the nearest hundredth

Hope this helped

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !