# Decimal calculator

## Result:

### 2.38×12.05 = 28.679

Spelled result in words is twenty-eight point six seven nine.### Calculation steps

- Multiple: 2.38 * 12.05 = 28.679

**order of operations**. The most common mnemonics for remembering this order of operations are:

**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:

- Expanded form

What is the expanded form of 0.21? - Rolls

Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls left when Peter yet put two at dinner? - Ratio

Increase in the ratio 20:4 number 18.5. - Ratio v2

Decrease in the ratio 12:16 number 13.2. - Lowest terms

Reduce to the lowest terms: 32/124 - Package

The package was 23 meters of textile. The first day sold 12.3 meters. How many meters of textile remained in the package? - Tenths digit

For 10.932, which digit is in the tenths place? - 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? - Jagdeep

Jagdeep had a strip of paper measuring 1.8 m. He cut it into 4 equal strips. How long is each shorter strip of paper? - Zhiwei

Zhiwei wants to divide 19 liters of water equally into 6 pots. Find the volume of water in each pot? - Bureaucracy

23 people attended the office. 9 of them completed the questionnaire. What is the percentage of all people? - Find the 21

Find the sum of the six terms of the finite geometric sequence 96, -48, 24, -12 - Distributive property

Verify the distributive property a×(b+c)=(a×b)+(a*c) for the rational number a=5/8, b=7/4 and c=2/3 - Double 5

Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number? - On the trip

On the trip were more than 55 children, but less than 65 children. Groups of 7 could be formed, but groups of 8 no. How many children were on a trip? - What is one third

What is 1/3 as a decimal? Give your answer rounded to 2 decimal places. - Thousandths

If you have 0.08 what is the form in thousandths?

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