Math

Express 490 as a product of its prime factors

• 5x7x7

• 3x3x5x5

• 7x7x5x2

• 9x3xx11

greatest common factor of 42 & 70

• 15

• 14

• 13

• 12

common factors of 56 & 70

• 4,2,1

• 5,1

• 1,7,14,2

• 3,1,9

find the square of 27

• 169

• 961

• 729

• 661

find the square root of 484

• 30

• 24

• 22

• 18

|-8|=

• 8

• -8

• 16

• 4

opposite of -5

• -5

• 10

• 0

• 5

write 36:20 in the simplest form

• 1:2

• 3:8

• 9:5

• 7

put them in the right order from coldest to warmest.

-2,8,0,-22,19,-19

• 0,-2,8,19,-19,22

• -22,-19,-2,0,8,19

• -22,-19,19,8,-2,0

• -22,19,-2,0,8,-19

-103 < 55

• true

• false

• never

• you can't answer this question because there is no such thing.