We could also write that as a decimal: 0.01. Let’s look at a few more decimals. 9 cents is 0.09 of a dollar. A quarter, or 25 cents, is 0.25 of a dollar.

You can write the amount of cents by writing the value of the coins and adding a cent sign (¢) after it. This shows that the amount of money is made up of coins less than 1 dollar.

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The square root of 500 is written as √500 and can be simplified to 10√5. The square root of 500 in decimal form is 22.3606.

The square root of 85 is expressed as √85 in the radical form and as (85)½ or (85)0.5 in the exponent form. The square root of 85 rounded up to 10 decimal places is 9.2195444573….Square Root of 85 in radical form: √85.

Is the Square Root of 8 Rational or Irrational? Hence, the square root of 8 is not a rational number. It is an irrational number.

As we have calculated further down on this page, the square root of 8 is not a whole number. 8 is not a perfect square. Is the square root of 8 rational or irrational? The square root of 8 is a rational number if 8 is a perfect square.

A perfect square is a number that is generated by multiplying two equal integers by each other. For example, the number 9 is a perfect square because it can be expressed as a product of two equal integers: 9 = 3 x 3….Example 1.

In particular, the last digits of the first few perfect numbers are 6, 8, 6, 8, 6, 6, 8, 8, 6, 6, 8, 8, 6, 8, 8….Perfect Number.