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There need not be any and there can be any number of them.

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Q: N how many digits should be to the left of the decimal point?
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Why is the size of a decimal number not necessarily determined by the number of decimal places notated?

Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude. Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude. Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude. Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude.


When a number is divided by 100 the digits move?

The digits should stay where they are. The decimal point should move 2 places to the left.


When writing a number in scientific notation how may digits should be to the left of the decimal point?

There should be exactly one digit.


When writing a number in scientific notation how many digits should be left on the decimal point?

Only on digit may be to the left of the decimal point. The mantissa must be a number in the interval [0, 10).


Do you move the decimal point to the left when multiplying numbers?

You don't move the decimal point at all. You just multiply the numbers and the point should sort itself out or be put of how many digits it is to be.

Related questions

Why is the size of a decimal number not necessarily determined by the number of decimal places notated?

Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude. Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude. Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude. Digits after (to the right of) the decimal point contribute to the accuracy of the number, not its magnitude (or size). So only the digits to the left of the decimal point contribute to the magnitude.


When a number is divided by 100 the digits move?

The digits should stay where they are. The decimal point should move 2 places to the left.


When writing a number in scientific notation how may digits should be to the left of the decimal point?

There should be exactly one digit.


When writing a number in scientific notation how many digits should be left on the decimal point?

Only on digit may be to the left of the decimal point. The mantissa must be a number in the interval [0, 10).


Do you move the decimal point to the left when multiplying numbers?

You don't move the decimal point at all. You just multiply the numbers and the point should sort itself out or be put of how many digits it is to be.


When writing a number in scientific notion how many digits should be to the left of the decimal point?

There should be exactly one non-zero digit.


When writing a number in scientific notation how many digits should be to the left or the decimal point?

If you want to have it in standard format, only one.


When wrirting a number in scientific notation how many digits should be to the left of the decimal point?

Just the one digit from 1 to 9


When writing a number in scientific notation how many digits should be to the left our the decimal point?

One: no more and no fewer. And it cannot be a zero.


Zero are always considered significant digits when they are to the left of the decimal point?

No. 0.0000123 has three significant digits.


How do you divide by 100?

You move the decimal point two digits to the left. Note that an integer has an implied decimal point to its right. Examples: 33.412 / 100 = 0.33412 112.4 / 100 = 1.124 15 / 100 = 15.0 / 100 = 0.15


How do you apply the comma number format with decimal places?

To the left of the decimal point, you place a decimal at an interval of every three digits.