This is a geometric sequence with common ratio (r) = 2.
an = ar^(n - 1)
a4 = a(2)^(4 - 1) = a(2)^3 = 8a
8a = 80
a = 80/8 = 10
7th term (a7) = 10(2)^(7 - 1) = 10(2^6) = 10(64) = 640
Answer:
45%
Step-by-step explanation:
9/20=0.45 (Divide it first), 45/100=45% (45/100 because 100 makes 1 whole -all 20 cards-)
2x3=6
3x2=6
6 divided by 2=3
6 divided by 3=2
Answer:
Im helping in part A i cant see Part B that well the answer to 3 ÷ 2/3 = 4 1/2 so disagree
Answer:
20600000000
Step-by-step explanation:
Move the decimal over 10 times
