math
10 + 10
What is 20?
The defining part of a sentence
What is a verb?
The year that the 9/11 terrorist attacks happened
what is 2001?
what kind of scientist studies nuclear energy
what is a nuclear phycist
what is the first date of the 20th century?
january first, 1901
7 x 5
35
73 x 137
10,001
how many 0s are in an unviginticentillion
121
find the probability of arranging the numbers one through ten and none of then being in the correct spot.
around 0.36