The value of the expression 2n - 1 when n = 7 is 13.
2n - 1
when n = 7
2n - 1
= 2(7) - 1
= 14 - 1
= 13
Mathematical expression is an expression which involves the combination of numbers and variables in a valid way, in a function of addition, subtraction, multiplication, division and exponentiation
Therefore, the value of the expression 2n - 1 when n = 7 is 13.
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