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Q: What is added to the highest 2- digit number?

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Highest 2-digit number = 99 Highest 1-digit number = 9 Highest possible sum from 2, 2-digit numbers = 198 Highest possible sum from 2, 1-digit numbers = 18

The highest two-digit prime number is 97. Out of that group, the highest (and only) prime number is 71.

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99 is not a prime because it can be divisible by 3 and 33

It is a table of numbers that are added and the first digit is displayed but if the answer of the 2 number when added is more than 1 digit, you add them again till it reaches a 1 digit number.

89.

88

100. The highest 3 digit number divisible by 9 is 999 (111 times). The highest 2 digit number divisible by 9 is 99 (11 times). The difference is 100.

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No. When adding the smallest 2 digit number (= 10) to the smallest 2 digit number (again, 10) the result is a 2 digit number (10 + 10 = 20). When adding the largest 2 digit number (= 99) to the largest 2 digit number (again, 99) the result is a 3 digit number (99 + 99 = 198). As you can see, you'll either get a 2 or 3 digit number, but never a 4 digit number.

product means multiplication. so a 2 digit number multiplied by a 4 digit number. 80 x 6250 = 500,000 80 can be your 2 digit number 6250 can be your 4 digit number

2 digit number

Highest 2-digit number = 99Highest 1-digit number = 999 - 9 = 90 two-digit numbers90.

99 is odd and if you added one more it would be 3 digit.

10 is the smallest 2 digit number.

The highest digit is one less than the base used for counting. So in binary (base 2), the highest digit is 1 In octal (base 8), the highest digit is 7 In decimal (base 10), the highest digit is 9 In hexadecimal (base 16), the highest "digit" is 15. The symbols A, B, C, D, E and F represent the "digits" 10, 11, 12, 13, 14 and 15. And so on.

The tricky part is getting the individual digits. There are basically two ways to do this: 1) Convert the number to a string, and use string manipulation to get the individual digits. 2) Repeatedly divide the number by 10. The digit is the remainder (use the "%" operator). To actually get the highest digit, initially assume that the highest digit is zero (store this to a variable, called "maxDigit" or something similar). If you find a higher digit, replace maxDigit by that.

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Since the greatest digit is 9 and the greatest 2-digit number is 99, the product of them is 891.

A smaller 3 digit number or a 2 digit number (99).

Divide the two-digit number by the one-digit number. If the remainder is zero then the 2-digit number is a multiple and if not, it is not.

Divide the 2-digit number by the 1-digit number. If the quotient comes out a whole number, then the big one is a multiple of the small one.

This first digit is the first number. In this case the first digit is the number 2.

43 is a 2 digit odd number but it is a prime number

97 is the largest 2-digit prime number.