Chapter 1, Problem 1ES

To determine

To calculate: The number form of the number described in words in the statement “According to a major auto manufacturer, the company invested more than $\$7$ billion in manufacturing research and design”.

Answer to Problem 1ES

Solution:

The number form of the number described in words in the statement is $\underset{\_}{\$7,000,000,000}$.

Explanation of Solution

Given Information:

The statement “According to a major auto manufacturer, the company invested more than $\$7$ billion in manufacturing research and design”.

Formula used:

The place-value chart for the whole numbers is defined as:

Trillions

Billions

Millions

Thousands

Units

Hundred Billion (100,000,000,000,000)

Ten Billion (10,000,000,000,000)

Billions (1,000,000,000,000)

Hundred Billion (100,000,000,000)

Ten Billion (10,000,000,000)

Billions (1,000,000,000)

Hundred Million (100,000,000)

Ten Million (10,000,000)

Millions (1,000,000)

Hundred thousand (100,000)

Ten Thousand (10,000)

Thousands (1,000)

Hundreds (100)

Tens (10)

Ones (1)

Calculation:

Consider the provided statement.

“According to a major auto manufacturer, the company invested more than $\$7$ billion in manufacturing research and design”.

The number form is written through the following steps:

First read the wordsstarting from left towards right. In the provided statement, theprovided period is billion.

So, it must be followed by million, thousands and units. So, write the number with the commas inserted at each period name as:

$7,\_\text{\_ \_,\_ \_ \_,\_ \_ \_}$

As the period names of other periods is silent, fill in the remaining numbers in the respective periods with zeros. So, the number is:

$\$7,000,000,000$

Therefore, thenumber described in words in the provided statement is $\$7,000,000,000$.