madbiebzz
19.05.2020 •
Mathematics
Divya and Miguel were asked to find an explicit formula for the sequence 80 , 40 , 20 , 10 , . . . 80,40,20,10,...80, comma, 40, comma, 20, comma, 10, comma, point, point, point. Divya said the formula is h ( n ) = 80 ⋅ ( 1 2 ) n − 1 h(n)=80⋅( 2 1 ) n−1 h, left parenthesis, n, right parenthesis, equals, 80, dot, left parenthesis, start fraction, 1, divided by, 2, end fraction, right parenthesis, start superscript, n, minus, 1, end superscript, and Miguel said the formula is h ( n ) = 160 ⋅ ( 1 2 ) n h(n)=160⋅( 2 1 ) n h, left parenthesis, n, right parenthesis, equals, 160, dot, left parenthesis, start fraction, 1, divided by, 2, end fraction, right parenthesis, start superscript, n, end superscript.
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Ответ:
The correct answer is 2 and 5.
Step-by-step explanation: