## What is an example of a decimal word problem?

Example 3: Rick’s car gets 29.7 miles per gallon on the highway. If his fuel tank holds 10.45 gallons, then how far can he travel on one full tank of gas? Multiply: Answer: Rick can travel 310.365 miles with one full tank of gas.

How do you multiply a decimal by a decimal?

To multiply a decimal number by a decimal number, we first multiply the two numbers ignoring the decimal points and then place the decimal point in the product in such a way that decimal places in the product is equal to the sum of the decimal places in the given numbers.

When multiplying a number by 10 Where is the decimal point moved?

the right
To multiply by a power of 10, simply move the decimal to the right the same number of places as the exponent or as the number of zeros.

### How do you solve word problems involving addition of decimals?

Step 1: Identify the important numbers and key words in the problem that will indicate the operation(s) you will perform. Step 3: Stack the values to perform the operation from Step 2. Add or subtract the decimal values by lining up the decimal point and using zeros as place holders if needed to get your final answer.

How do you multiply by the power of 10?

To multiply by a power of 10, simply move the decimal to the right the same number of places as the exponent or as the number of zeros. Example: To divide by a power of 10, simply move the decimal to the left the same number of places as the exponent or as the number of zeros.

When multiplying a number by 10 move the decimal to the right?

Multiplying a decimal by 10 moves the decimal point one place to the right. Dividing a decimal by 10 moves the decimal point one place to the left.

## What is the formula to multiply decimals?

To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product. For example, if we multiply 7.61 9.2, we will have 3 digits behind the decimal in our product because there are 3 digits behind the decimals in the factors.

What are some multiplication of integers word problems?

Rule 2: The product of two negative integers or two positive integers is a positive integer. We can now use Rule 1 to solve the problem above arithmetically: ( – 6) ( + 4) = – 24. So Alicia owes \$24. Let’s look at some more examples of multiplying integers using these rules. Example 1: Find the product of each pair of integers. Multiplying

Why do we multiply decimals?

Calendars. Whether you need to work out the days of the week,the weeks in a month or the months in a year.

• Memorization. We memorize daily,but do you realize that your brain is like a computer.
• Car repair. Have you ever assisted in repaired a car?
• Building block.
• Career choices.
• Traveling.
• Stress saver.