Answer:
8,000,372,512
Step-by-step explanation:
60% of 120 is 72. Therefore, Mark has only saved 72 dollars.
Answer:
steps below
Step-by-step explanation:
5¹+5² = 30 30/<u>6</u> = 5¹
5³+5⁴ = 125 + 625 = 750 750/<u>6</u> = 125 = 5³
5⁵+5⁶ = 18750 18750/6 = 3125 = 5⁵
...........
(5¹⁹⁹¹+5¹⁹⁹²)/<u>6</u> = 5¹⁹⁹¹
sum of every couple consecutive multiple of 5 are multiple of 6, the sum
S= <u>5+ 5^2</u> + 5^3 + ...+ <u>5^1991 + 5 ^1992</u> IS multiple of 6
Answer:
Step-by-step explanation:
common ratio= second term/first term
=
64, 16, 4, 1, ...
1*1/4 = 1/4
64, 16, 4, 1,<u> 1/4</u>
Answer:
3
Step-by-step explanation: