1) Of the following numbers, which has the most factors of nine?
a. 81
b. 999
c. 2727
d. 3333
2) Lee multiplied a number by its squre root and got a product of 64. What was Lee's original number?
a. 4
b. 8
c. 16
d. 32
3) Of the following numbers, which one is divisible by the greatest number of different primes?
a. 30
b. 36
c. 96
d. 128
4) (3989+3988+3987 . . . + 1998+1997+1996) - (1994+1993+1992+ . . . +3+2+1)
a. 1994 * 1994
b. 1994 * 1995
c. 1995 * 1995
d. 1994 + 1995
5) What is the remainder when the product of all the prime numbers between 1 and 100 is divided by 4?
a. 3
b. 2
c. 1
d. 0
6) At the Belltower school, 99% of the 100 students are girls, but only 98% of the students in grade 8 are girls. Which of the following could be the number of students in grade 8 who are girls.
a. 98
b. 97
c. 49
d. 48
If you can please show work and/or tell me how you did it.
Note: * = times or multiplied by
Thanks I really appreciate this!
2007-03-11
13:24:49
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2 answers
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asked by
Tennispro94
2
in
Mathematics