20/21 times 42 = 40
Wiki User
∙ 2012-10-26 10:39:34Number that you have received divided by total number multiplied by 100. Example: You revieved 40 marks out of a total of 42 40/42 = 0.9523... 0.9523 x 100 = 95.2 % this is soo hard i cant figure it out
40% of 105 = 42
The prime factors of 42 are 2 x 3 x 7.
1 x 42, 2 x 21, 3 x 14, 6 x 7, 7 x 6, 14 x 3, 21 x 2, 42 x 1.
3*2=6*7=42 in expanded form is 40+2
It is 42, the middle number when they are in order.
An element's atomic number gives its number of protons. Molybdenum has an atomic number of 42. Thus, it is the element with 42 protons.
the number is 7. 7x6=42-8=34
6x<42 x<7 x must be less than 7
41
40
42*18 = 756