8.888194417315589
If we are going to round-off 8.888194417315589 to the nearest tenth, we will get 8.9 because rounding decimals is also similar to rounding other numbers. If the hundredths place of a decimal is 4 or less, they are dropped and the tenths place does not change and If the hundredths place of a decimal is 5 or more, You should increase the tenths decimal number by 1. This is why we get 8.9 because the hundredth place in 8.8(8)8194417315589 is 8, 8 is more than 5, so we need to increase our tenth decimal number by 1.