Select the smallest number in the following list.2.8 x 1042881.1928.8 x 102

Question

BlackTom AI · Accepted Answer

To tackle the problem, I’ll examine each option and compare their numeric values.
Option a: 28.8 x 10^2. This equals 28.8 times 100, which is 2880. 
Option b: 2881.19. This is a direct decimal value slightly larger than 2880. 
Option c: 2.8 x 10^4. This equals 2.8 times 10,000, which is 28,000. 
Now, comparing the three results: 2880, 2881.19, and 28,000, the smallest among them is clearly 2880. 
Why the others aren’t smaller: 2881.19 is just a bit bigger than 2880, so it cannot be the minimum. 28,000 is an order of magnitude larger than 2880, so it cannot be the smallest either. 
This reasoning shows that the smallest number in the list is the one represented by option a. 
Note: When converting scientific notation, it’s helpful to compute the base times the power of ten, then compare the resulting magnitudes directly. In this set, 28.8 x 10^2 gives 2.88 x 10^3, which is 2880, confirming its status as the smallest value among the options.

My LMS Subjects Maths for Biomedicine DECIMALS QUIZ

Select the smallest number in the following list.2.8 x 1042881.1928.8 x 102

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My LMS Subjects Maths for Biomedicine DECIMALS QUIZ

Select the smallest number in the following list.2.8 x 1042881.1928.8 x 102

View Explanation

Log in for full answers

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