We appreciate your visit to In the year 2000 approximately tex 169 000 000 tex personal computers were used in the United States What is this number expressed in scientific. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Sure! Let's express the number of personal computers, 169,000,000, in scientific notation step-by-step.
1. Identify the significant figures: The number 169,000,000 can be expressed in terms of its significant figures. The digits here are 1, 6, and 9.
2. Place the decimal point after the first significant figure: To convert 169,000,000 into scientific notation, place the decimal point after the first significant figure, which is 1. This gives us 1.69.
3. Determine the power of 10: Count the number of places the decimal point has moved from its original position (at the end of the number) to its new position (after the 1). Moving 8 places from 169,000,000 to 1.69 means we are multiplying by [tex]\(10^8\)[/tex].
So, 169,000,000 expressed in scientific notation is [tex]\(1.69 \times 10^8\)[/tex].
Therefore, the correct choice is:
[tex]\[ \text{J } 1.69 \times 10^8 \][/tex]
1. Identify the significant figures: The number 169,000,000 can be expressed in terms of its significant figures. The digits here are 1, 6, and 9.
2. Place the decimal point after the first significant figure: To convert 169,000,000 into scientific notation, place the decimal point after the first significant figure, which is 1. This gives us 1.69.
3. Determine the power of 10: Count the number of places the decimal point has moved from its original position (at the end of the number) to its new position (after the 1). Moving 8 places from 169,000,000 to 1.69 means we are multiplying by [tex]\(10^8\)[/tex].
So, 169,000,000 expressed in scientific notation is [tex]\(1.69 \times 10^8\)[/tex].
Therefore, the correct choice is:
[tex]\[ \text{J } 1.69 \times 10^8 \][/tex]
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