Question

How to I round 613,572,947 to the nearest tens. My teacher confuses me with this. Would it be 50?

Answers

Damon
47 becomes 50 all right so it is

613,572,950

In scientific notation this would be

61357295 + 10^1
Damon
That means all we are sure about is that last 5 and the ones to the left of it.
ruby
Thank you. What if i round it to millions. would it be 4 million?
Damon
614 * 10^6 = 614 million

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