What is 9% expressed as a decimal?a)0.09b)0.9c)9d)1.5Correct answer is...
Understanding Percentages
Percentages are a way to express a number as a fraction of 100. The term "percent" means "per hundred," so when we say 9%, we are essentially saying 9 out of 100.
Converting Percentage to Decimal
To convert a percentage into a decimal, you simply divide the percentage by 100.
Steps to Convert 9% to Decimal:
- Take the percentage: 9%
- Divide by 100:
- 9 ÷ 100 = 0.09
This calculation shows that 9% is equal to 0.09 when expressed as a decimal.
Understanding the Options
Now, let’s look at the options given:
- a) 0.09: This is the correct answer, as explained above.
- b) 0.9: This represents 90%, not 9%.
- c) 9: This is simply the whole number 9, not a decimal or percentage.
- d) 1.5: This is also incorrect as it does not represent 9% in any form.
Conclusion
In summary, to express 9% as a decimal, you divide by 100, resulting in 0.09. Thus, the correct answer is option a) 0.09. Understanding this conversion is essential for various mathematical applications, especially in finance and statistics.
What is 9% expressed as a decimal?a)0.09b)0.9c)9d)1.5Correct answer is...
9% can be expressed as a decimal by dividing by 100.
Convert 9% to a fraction: 9/100.
Divide: 9 ÷ 100 = 0.09.
Therefore, 9% as a decimal is 0.09.