) Himari is solving the equation 4 (x - 3) = 16. Her first step is 4x - 12 = 16.
2 answers:
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Answer:
3,400,000
Step-by-step explanation:
refer to attached for reference
in our case, the digit in the hundred thousands place is the number 4.
How we round this digit depends on the digit directly to the right of it (i.e the ten-thousands place).
If the digit to the right is less than 5, then leave the digit in the hundred thousands place the same and make everything else to the right zeros.
if the digit to the right is 5 or greater, then increase the digit in the hundred thousands place by 1 and then make everything else to the right zeros.
in our case, the digit to the right of the hundred thousands place is the number 2, this is less than 5, so we leave 4 the same and make everything esle to the right zero.
i.e. 3,400,000
Answer:
Step-by-step explanation:
Given
-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:
Calculating
For a 90% confidence level, the z-score is 1.65. So:
Calculating the standard deviation
So:
So: