Decimal calculator
Result:
2.71×3.1 = 8.401
Spelled result in words is eight point four zero one.Calculation steps
- Multiple: 2.71 * 3.1 = 8.401
PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
BEDMAS - Brackets, Exponents, Division, Multiplication, Addition, Subtraction
BODMAS - Brackets, Of or Order, Division, Multiplication, Addition, Subtraction.
GEMDAS - Grouping Symbols - brackets (){}, Exponents, Multiplication, Division, Addition, Subtraction.
Be careful, always do multiplication and division before addition and subtraction. Some operators (+ and -) and (* and /) has the same priority and then must evaluate from left to right.
Examples:
• addition of decimals: -1.5 + 2.45• multiplying decimals: 0.25 * 0.2
• division of a decimals: 5.2 / 0.5
• parenthesis: 3 + 7{4 + 3[2-(8 - 4)×3] + 5}×2
• 2nd power and order of evaluation: 6^2-(2*7+4^2)
• cube root: cuberoot(27)
• Convert fraction to a decimal: 3/4
• decimals and mixed numbers: 1.5 - 1 1/5
Decimals in word problems:
- Factors
Can the expression ? be factored into rational factors?
- Whole numbers
Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down?
- Strange x
For what x is true ??
- Fraction
Determine for what x fraction ?:
- Distance of numbers
Which number has the same distance from the numbers -5.65 and 7.25 on the numerical axis?
- Denominator
Calculate the missing denominator x: ?
- One sixth
How many sixths are two thirds?
- Expanded form
What is the expanded form of 0.21?
- Ratio
Increase in the ratio 20:4 number 18.5.
- Determine the number
Determine the number x that ?.
- Compare
Compare fractions ?. Which fraction of the lower?
- Number
Is number 5.146852 irrational?
- Expression
If it is true that ? is:
- Fractions
Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
- If you 5
If you have 0.08 what is the form in thousandths?
- Percentages and numbers
How many percent is number 69 smaller than number 276?
- Find the 11
Find the quotient of 229.12 and 12.32
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