the empty pot is 0.8 kg or 4/5 kg. just do the weight lost times five and you get the answer. (times five because 1/5th of the water was lost. so to get the original weight of the water you multiply by the divisor (5)). Then you subtracts 1.2 from 2 and your and is 0.8 or 4/5ths
Answer:
The Communicative Property of Multiplication
Step-by-step explanation:
The value of the expression 2n - 1 when n = 7 is 13.
<h3>Equation</h3>
2n - 1
when n = 7
- Substitute n = 7 into the equation
2n - 1
= 2(7) - 1
= 14 - 1
= 13
<h3>What is mathematical expression?</h3><h3 />
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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