Which number is between 0.5 and 8/9?
a) 7/24
b) 22/24
c) 25/36
d) 1/3

Basicallly find the avverage

average is found by adding tht 2 numbers together and dividing by the number of nuber you aded together so exg
average of 6 and 12=(6+12)/2 because 6 and 12 is 2 numbers so

0.5 and 8/9 are 2 numbers

convert to fraction
0.5=0.5/1
multiply by 2
1/2=0.5

average of 1/2 and 8/9
make denomenators same bottom number

2 and 9
multiply and get 18

1/2 times 9/9=9/18
8/9 times 2/2=18/16

(9/18+16/18)/2=(25/18)/2=25/18 times 1/2=25/36

the naswer is C 25/36

127 millimeters is the answer

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table