Select all of the quantities that are correctly expressed in scientific notation
1 answer:
The first one and the last one
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Answer:
a(b+c)= ab + ac
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Answer:2.21
Step-by-step explanation:I used a calculator
Answer:
81,83,85,87,89,91,93,95,97,99
n = 20
d = 6
a = 4
L = a + (n - 1)*d
L = 4 + (20 - 1)*6
L = 4 + 19*6
L = 118
Sum = (a + L)*n/2
Sum = (4 + 118) * 20/2
Sum = 122 * 10
Sum = 1220
