helpful to memorize Flashcards

1
Q

first 10 prime numbers

A

2,3,5,7,11,13,17,19,23,

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2
Q

prime numbers 1-100

A

2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97

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3
Q

5 to the power of 6 in expanded form

A

55555*5

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4
Q

3”2 in words and expanded form

A

three squared 3*3

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5
Q

divisibilty rules of 3

A

sum of digits is divisible by 3

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6
Q

divisibility rules of 4

A

last 2 digits are divisible by 4

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7
Q

divisibility rules of 6

A

number is even and divisible by 3/ divisible by 2 and 3

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8
Q

divise rules of 8

A

last 3 digits are divisible by 8

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9
Q

divi rules of 9

A

sum of digits is divisible by9

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