21^2/0.219 = 2013.69863
2 significant figures are the 20, so the answer is 2000
Answer: 6 x 8=48
Step-by-step explanation:
It is subtracting the current number by 1/2 OR you can divide by 2. each time.
32 / 2= 16
16 / 2=8
8/2=4
4/2=2
2/2=1
Hope this helped!
