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2. Exponentiation - Wikipedia

   en.wikipedia.org/wiki/Exponentiation

   Each curve passes through the point (0, 1) because any nonzero number raised to the power of 0 is 1. At x = 1, the value of y equals the base because any number raised to the power of 1 is the number itself. In mathematics, exponentiation is an operation involving two numbers: the base and the exponent or power.

3. Division (mathematics) - Wikipedia

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

   Division is one of the four basic operations of arithmetic. The other operations are addition, subtraction, and multiplication. What is being divided is called the dividend, which is divided by the divisor, and the result is called the quotient. At an elementary level the division of two natural numbers is, among other possible interpretations ...

4. Isabella Macdonald Alden - Wikipedia

   en.wikipedia.org/wiki/Isabella_Macdonald_Alden

   Isabella Macdonald Alden (nickname and pen name, Pansy; November 3, 1841 – August 5, 1930) was an American author.Her best known works were: Four Girls at Chautauqua, Chautauqua Girls at Home, Tip Lewis and his Lamp, Three People, Links in Rebecca's Life, Julia Ried, Ruth Erskine's Crosses, The King's Daughter, The Browning Boys, From Different Standpoints, Mrs. Harry Harper's Awakening, The ...

5. Divisibility rule - Wikipedia

   en.wikipedia.org/wiki/Divisibility_rule

   If the hundreds digit is odd, the number obtained by the last two digits must be 4 times an odd number. 352: 52 = 4 x 13. Add the last digit to twice the rest. The result must be divisible by 8. 56: (5 × 2) + 6 = 16. The last three digits are divisible by 8. [2][3] 34,152: Examine divisibility of just 152: 19 × 8.

6. List of primary education systems by country - Wikipedia

   en.wikipedia.org/wiki/List_of_primary_education...

   Main article: Education in Libya. 1st grade: 6 to 7 years old. 2nd grade: 7 to 8 years old. 3rd grade: 8 to 9 years old. 4th grade: 9 to 10 years old. 5th grade: 10 to 11 years old. 6th grade: 11 to 12 years old. 7th grade: 12 to 13 years old. 8th grade: 13 to 14 years old.

7. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   From top-left going clockwise: addition, division, multiplication, and subtraction. Elementary arithmetic is a branch of mathematics involving addition, subtraction, multiplication, and division. Due to its low level of abstraction, broad range of application, and position as the foundation of all mathematics, elementary arithmetic is generally ...