21^2/0.219 = 2013.69863
2 significant figures are the 20, so the answer is 2000
The answer would be a trapezoid.
Answer:
The exponent will be 4*10^11
Step-by-step explanation:
^11 This means 11 is an exponent on top.
Hope it helps. Let me know.
Answer: 89
the 18th term is 4 + (18 - 1).5 = 4 + 17.5 = 89
Step-by-step explanation:
Answer:
A) 44
Step-by-step explanation:
an=n^2-5
n is the term number
a7 = 7^2 -5
a7 = 49 -5
a7 = 44
