on page 807, Exercise B it wants me to amswer the questions and name the reference book I used to find the answer. Question 10 is "What is the number of Buddhists in North America?

We have absolutely no access to whatever book you are using.

This site may help you.

http://www.religioustolerance.org/buddhism2.htm

To answer the question "What is the number of Buddhists in North America?" and name the reference book you used to find the answer, you can follow these steps:

1. Start by identifying reliable reference books or sources that provide statistical information on religion demographics. Examples of commonly used reference books include:

- "The World Almanac and Book of Facts"
- "The Encyclopedia of Religion"
- "The Oxford Handbook of Global Religions"

2. Once you have selected a reference book, you can check the book's index or table of contents to find the section that focuses on religion demographics or specifically on Buddhism.

3. Look for the section related to North America within the chosen reference book. It might be categorized geographically or based on country. Locate the subsection that provides details or statistics on Buddhism within North America.

4. Read through the information presented in that subsection. It should contain figures or estimates regarding the number of Buddhists in North America.

5. When you find the answer to the question, make note of the exact number mentioned in the reference book.

6. Finally, when answering Exercise B, question 10, state the number of Buddhists in North America as per the reference book you consulted. Additionally, mention the name of the reference book you used, along with the page number where the information can be found (in this case, page 807).

For accurate and up-to-date information, it is essential to refer to reliable reference books or reputable online sources that provide authoritative data on religion demographics.