Which shaded part of the following pictures best shows 1/2 + 2.5 × 10-¹?
- 3/4
- 1/4
- 2/4
- None of these
Explanation
Step 1: Convert 2.5 × 10^-1 to a fraction
2.5 × 10^-1 = 0.25 = 1/4.
Step 2: Calculate 1/2 + 1/4
To add these fractions, find a common denominator, which is 4. 1/2 = 2/4. So, 2/4 + 1/4 = 3/4.
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