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  2. 75 thoughtful graduation wishes to celebrate commencement - AOL

    www.aol.com/news/75-graduation-wishes-hats-off...

    Say "Congratulations" to a friend, family member or other graduate using one of these short, inspirational or funny graduation wishes perfect for the big day. 75 thoughtful graduation wishes to ...

  3. Anniversary - Wikipedia

    en.wikipedia.org/wiki/Anniversary

    In these instances, the name of the anniversary is generally derived from the Latin word(s) for the respective number of years. When anniversaries relate to fractions of centuries (125, 150, 175, 225, 250, 275 years—i.e. 1.25, 1.5, 1.75, 2.25, 2.5, and 2.75 centuries), the situation is not as simple.

  4. 100+ Inspiring Messages for a Graduation Card - AOL

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  5. Multiplication and repeated addition - Wikipedia

    en.wikipedia.org/wiki/Multiplication_and...

    Multiplication is often defined for natural numbers, then extended to whole numbers, fractions, and irrational numbers. However, abstract algebra has a more general definition of multiplication as a binary operation on some objects that may or may not be numbers. Notably, one can multiply complex numbers, vectors, matrices, and quaternions.

  6. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Since 9 = 10 − 1, to multiply a number by nine, multiply it by 10 and then subtract the original number from the result. For example, 9 × 27 = 270 − 27 = 243. This method can be adjusted to multiply by eight instead of nine, by doubling the number being subtracted; 8 × 27 = 270 − (2×27) = 270 − 54 = 216.

  7. What do the numbers on your credit card mean? - AOL

    www.aol.com/finance/numbers-credit-card-mean...

    September 25, 2024 at 11:00 PM ... including two digits for the month and two digits for the year. For example, a credit card that expires in June of 2029 would show an expiration date of 06/29 ...

  8. Product (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Product_(mathematics)

    In mathematics, a product is the result of multiplication, or an expression that identifies objects (numbers or variables) to be multiplied, called factors. For example, 21 is the product of 3 and 7 (the result of multiplication), and x ⋅ ( 2 + x ) {\displaystyle x\cdot (2+x)} is the product of x {\displaystyle x} and ( 2 + x ) {\displaystyle ...

  9. Multiply perfect number - Wikipedia

    en.wikipedia.org/wiki/Multiply_perfect_number

    In mathematics, a multiply perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number. For a given natural number k , a number n is called k -perfect (or k -fold perfect) if the sum of all positive divisors of n (the divisor function , σ ( n )) is equal to kn ; a number is thus perfect if and ...