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Earn +20 ptsQ: How many digits in 2 to the power 400?
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What is the divisibility rule for 400?
A number is a multiple of 400 if the last 4 digits are a multiple of 400 The 1,000s digit is even and the last 3 digits are 000, 400 or 800 The 1,000s digit is odd and the last 3 digits are 200 or 600 It also works checking if the number is a multiple of 16 and 25 at the same time because 400 = 2⁴ x 5² = 16 x 25
How many digits are in 30?
There are 2 digits in 30. They are 3 and 0.
How many unique values are possible using a number consisting of thirty two binary digits?
It would be 2 raised to the power 32: 4,294,967,296.
How many numbers exactly are there in 2 digits?
There are 90 of them.
How many significant digits in 870.0?
Four of them.
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