1/3x+6=-18+3x PLEASE HURRY I HAVE A TEST
1 answer:
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To convert our number to scientific notation, we are going to move the decimal point to the right until we have only one non-zero digit to the left of the decimal point, and then, we are going to multiply that number by a negative power of 10 equal to the number of times we moved the decimal point to the right:
<span>
Our number is 0.000000016, so we need to move the decimal point 8 times to the right to have </span>only one non-zero digit to the left of the decimal point (1.6). Since we moved the decimal point eight times to the right, we are going to multiply 1.6 by y a negative power of 10 equal to the number of times we moved the decimal point to the right i.e.
.
So 0.000000016 expressed in scientific notation is 1.6x
, or in calculator notation 1.6E-8
We can conclude that the correct answers are <span>1.6E-8 and </span><span>1.6 × 10-8</span>
<span>
Our number is 0.000000016, so we need to move the decimal point 8 times to the right to have </span>only one non-zero digit to the left of the decimal point (1.6). Since we moved the decimal point eight times to the right, we are going to multiply 1.6 by y a negative power of 10 equal to the number of times we moved the decimal point to the right i.e.
So 0.000000016 expressed in scientific notation is 1.6x
We can conclude that the correct answers are <span>1.6E-8 and </span><span>1.6 × 10-8</span>
<u><em>Answer:</em></u>
She stayed awake for 295 minutes today
<u><em>Explanation:</em></u>
<u>We are given that:</u>
Yesterday, she drank one cup
Today, she drank of a cup more than yesterday
<u>This means that:</u>
Number of cups she drank today =
Now, we know that she drinks of a cup per hour any time she is not sleeping
We use cross multiplication to get the time she took to drink cups
1 hour ...........................> of a cup
?? hours ......................> cups
Time taken =
This means that she was awake for hours
<u>Finally, we convert this to minutes:</u>
Knowing that 1 hour has 60 minutes, therefore:
She stayed awake for minutes
Hope this helps :)