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What does 556 round to?
556 rounds to 550 to the nearest tenth. However, if you want the nearest hundredth then it would be 600.
How you would estimate the product of greater numbers in the operations 6893 x 556?
In your example, the easiest way to estimate the product would be to round each factor to the nearest 10, 100, 1,000 or whatever the factors are. So, for 6,893 * 556, round to 7,000 * 600 to get an estimate. Since both numbers are rounded up, you know your estimate will be high, but this is an easy way to get a close answer. To be specific here, 7,000 and 600 would be multiplied to get 4,200,000. You multiply the first digits together, and then add the total number of zeroes in each rounded number to your answer.
What is 556 times 556?
556 * 556 = 309,136
How many days are a whole year?
365 days. In a leap year 366.
Is 556 a prime number or a composite number?
A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. 556 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 2 because it is an even number. Therefore, 556 a composite number.
