Question
4 According to a recent survey, the number of pet dogs and cats in
the United States is about
number of pet dogs and cats as a single digit times an integer
power of 10 . Show your work.
the United States is about
number of pet dogs and cats as a single digit times an integer
power of 10 . Show your work.
Ask by Fleming George. in the United States
Jan 23,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
There are approximately
Solution
To estimate the number of pet dogs and cats in the United States as a single digit times an integer power of 10, follow these steps:
-
Start with the given number:
-
Round to one significant digit:
- The first digit is 1, and the next digit is 8 (which is 8/10 of the way to the next ten).
- Rounding 183,900,000 to one significant digit gives 200,000,000.
-
Express in scientific notation:
-
can be written as:
- Here, 2 is the single digit, and 8 is the integer exponent.
-
Final Estimate:
This means there are approximately
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Explain 
Simplify this solution Beyond the Answer
To express the number
- Start with the number:
. - Move the decimal point 8 places to the left to get
. - Since we moved the decimal 8 places, we can express the number as:
.
To convert this to match the requirement of one digit followed by an integer power of ten, we can round
Final estimate:
