# Decimal calculator

## Result:

### 12 / 16 = 0.75

Spelled result in words is zero point seven five.### Calculation steps

- Divide: 12 / 16 = 0.75

**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? - 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? - 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. - 1000 bill

A hat costs Php 75.25 and a discounted T-shirt costs Php 750.55. How much change will you receive if you pay for both items with a Php 1 000 bill? - Parcel service

Parcel from U.S. to Slovakia costs 5.3 €. Parcel from Slovakia to the U.S. costs 49 €. Calculate how many times is Slovak Post more expensive than the U.S. parcel service. - Equation 11

Solve equation: 0=y-1,2.(y-1,5) - Strange x

For what x is true x=12x? - Sharing chocolate

Fredericca and her friends share 6 chocolate bars. They *each* get 0.75 of a chocolate bar. How many friends did Fredericca share the chocolate bar with? - Rounding

Double round number 727, first to tens, then to hundreds. (double rounding) - Percent to number

To increase that number by 5 percent, we need to multiply it by: - Bottles

The weight of 17 bottles is 91.7 kg. What is the weight of 1 bottle? - Homework

In the crate are 18 plums, 27 apricot and 36 nuts. How many pieces of fruit left in the crate when Peter took 8 ninth: 1. nuts 2. apricots 3. fruit 4. drupe

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