Multiple choice

Q.5) Which number is greatest among the following?

  1. 72000002

  2. 72200000

  3. 72000020

  4. 22700000
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Comparing the place values from left to right, we look at the ten-millions place (all have 7 except D which has 2) and then the millions place (all have 2). Next, looking at the hundred-thousands place, option B has a 2 (72,200,000) while options A and C have 0. Thus, 72,200,000 is the greatest number.

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