4.00000
3.55.The 3rd digit after the decimal point is 8. As this is higher than or equal to 5, we round up the 4 to a 5.
Expressed as a decimal fraction, 4 5/8 is equal to 4.625.
Expressed as a surd, the square root of 15.92 is equal to sqrt(398)/5. Expressed as a decimal fraction rounded to two decimal places, this is equal to 3.99.
Expressed as a surd in its simplest form, sqrt(4) + sqrt(5) = 2 + sqrt(5). Expressed as a decimal, rounded to three decimal places, this is equal to 4.236.
Expressed as a decimal fraction, 5/4 is equal to 1.25.
1.25
Expressed as a decimal, 3 4/5 is equal to 3.8.
3.456 rounded to one decimal place is 3.5. When rounding, you look at the digit in the second decimal place, which is 5 in this case. Since 5 is equal to or greater than 5, you round up the first decimal place from 4 to 5.
To round 65.625 to two decimal places, we look at the third decimal place, which is 5. Since 5 is greater than or equal to 5, we round up the second decimal place. Therefore, 65.625 rounded to two decimal places is 65.63.
To round 0.595 to two decimal places, we look at the third decimal place, which is 5. Since 5 is greater than or equal to 5, we round up the second decimal place. Therefore, 0.595 rounded to two decimal places is 0.60.
Expressed as a decimal, 4 3/5 is equal to 4.6.
Expressed as a decimal, 4 1/5 is equal to 4.2.