Number DigitDecimal in the hundredths place
-3.98 in Words
-3.98 is a negative terminating decimal. It has 2 decimal places, and its final digit is in the hundredths place.
Direct Answer
-3.98 in words is negative three point nine eight.
-3.98 Place-Value Breakdown
The digits 3 form the whole-number part, while 9 in the tenth place and 8 in the hundredth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 3 | ones | 3 |
| Decimal part | 9 | tenth | 9/10 |
| Decimal part | 8 | hundredth | 8/100 |
What Kind of Decimal Is -3.98?
-3.98 is a negative terminating decimal. It is written to the hundredths place.
Expanded Form of -3.98
-3.98 = -(3 + 9/10 + 8/100)
-3.98 = -(3 + 98/100)
-3.98 = -3 49/50
The final nonzero digit is in the hundredths place, so its value is expressed with a denominator of 100.
How -3.98 Simplifies to -199/50
-3.98 = -398/100
The greatest common divisor of 398 and 100 is 2.
-398 ÷ 2 = -199
100 ÷ 2 = 50
Therefore, -398/100 = -199/50.
As a mixed fraction, the value is -3 49/50.
-3.98 as a Percentage
To convert -3.98 to a percentage, multiply it by 100.
-3.98 × 100 = -398
Therefore, -3.98 = -398%.
A Familiar Fraction Equivalent
The reduced form -199/50 is a commonly used fraction. The decimal form is convenient for calculation, while the fraction shows the exact part-to-whole relationship.
Whole Part and Fractional Part
This mixed decimal combines the whole part 3 with the fractional part 98/100. In place-value words, "and" marks that boundary.
How the Negative Sign Changes the Reading
Say "negative" once before the complete word form. The sign changes the direction and value, but it does not change the decimal places or the fraction-reduction steps.
-3.98 on a Number Line
-3.98 lies between -4 and -3. It is 0.02 above -4 and 0.98 below -3.
-3.98 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| -0.398 | negative zero point three nine eight | negative three hundred ninety-eight thousandths | -199/500 | -39.8% | one tenth of -3.98 |
| -3.98 | negative three point nine eight | negative three and ninety-eight hundredths | -199/50 | -398% | current value |
| -3.980 | negative three point nine eight zero | negative three and nine hundred eighty thousandths | -199/50 | -398% | same numerical value, written to the thousandths place |
| -39.8 | negative thirty-nine point eight | negative thirty-nine and eight tenths | -199/5 | -3980% | ten times -3.98 |
Quick Practice
How is -3.98 read digit by digit?
Negative three point nine eight.
What is the place-value word form of -3.98?
Negative three and ninety-eight hundredths.
What fraction is -3.98 in lowest terms?
-199/50.
What percentage is equal to -3.98?
-398%.
What is the absolute value of -3.98?
3.98.
Between which whole numbers does -3.98 lie?
Between -4 and -3.
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Frequently Asked Questions
How do you write -3.98 in words?
-3.98 in words is negative three point nine eight.
Why is -3.98 called negative three and ninety-eight hundredths?
There are 2 digits after the point, so the fractional part is expressed in hundredths. Read the complete value as negative three and ninety-eight hundredths.
What fraction is -3.98?
-3.98 is -398/100 exactly and -199/50 in lowest terms.
Can -398/100 be simplified?
Yes. Divide its numerator and denominator by 2 to get -199/50.
What percentage is -3.98?
-3.98 is equal to -398%.
Is -3.98 the same as -3.980?
Yes. -3.98 and -3.980 have the same numerical value. However, -3.98 is written to the hundredths place, while -3.980 is written to the thousandths place and may communicate greater recorded precision.
Is -3.98 larger than -0.398?
No. Negative values reverse the comparison; -3.98 is ten times the value of -0.398.
What type of decimal is -3.98?
-3.98 is a negative terminating decimal. It is written to 2 decimal places and represents negative three and ninety-eight hundredths.