An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
Answer (2)
Let's break down each part of the question step by step.
Pick out the even numbers and write them in the given blank space.
Even numbers are numbers that are divisible by 2. They have the last digit as 0, 2, 4, 6, or 8.
(a) 32, 27, 45, 17, 54
Even numbers: 32, 54
(b) 30, 55, 60, 38, 23
Even numbers: 30, 60, 38
(c) 65, 29, 36, 51, 40
Even numbers: 36, 40
(d) 14, 63, 28, 16, 71
Even numbers: 14, 28, 16
Pick the odd numbers and write them in the given blank space.
Odd numbers are numbers that are not divisible by 2. They have the last digit as 1, 3, 5, 7, or 9.
(a) 39, 75, 22, 67, 84
Odd numbers: 39, 75, 67
(b) 50, 93, 41, 62, 57
Odd numbers: 93, 41, 57
(c) 66, 79, 20, 81, 14
Odd numbers: 79, 81
(d) 97, 26, 59, 61, 32
Odd numbers: 97, 59, 61
Write the odd numbers between the following numbers.
Odd numbers fall between intervals when the lower bound is increased by one if it’s even or kept if it’s odd and the same approach for the upper bound.
(a) 14 and 20
Odd numbers: 15, 17, 19
(b) 32 and 38
Odd numbers: 33, 35, 37
(c) 42 and 48
Odd numbers: 43, 45, 47
(d) 76 and 82
Odd numbers: 77, 79, 81
Write the even numbers between the following numbers.
Even numbers fall between intervals when the lower bound is increased by one if it’s odd or kept if it’s even and the same approach for the upper bound.
(a) 31 and 37
Even numbers: 32, 34, 36
(b) 53 and 59
Even numbers: 54, 56, 58
(c) 25 and 31
Even numbers: 26, 28, 30
(d) 66 and 73
Even numbers: 66, 68, 70, 72
These answers should help you with identifying even and odd numbers, as well as understanding how to list them within a range.
The device delivers a total charge of 450 coulombs over 30 seconds. This charge corresponds to approximately 2.81 billion billion electrons flowing through the device. Each electron has a charge of approximately 1.6 x 10^-19 coulombs.
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