Which of the Following Numbers Are Correctly Expressed in Both

question 3

Multiple Choice

Which of the following numbers are correctly expressed in both exponential notation and ordinary decimal form?
i.4.09 × 10^-3 = 4090
ii.3.72 × 10^-5 = 0.0000372
iii.62,800 = 6.28 × 10⁴
iv.5,910,000 = 5.91 × 10^-6

• A)i and ii
• B)i and iii
• C)ii and iii
• D)iii and iv
• E)All are incorrect

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