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Question
Multiple Choice
Distance in space is often written using a light year. A light year is the distance light travels in one year. It is equal to about 6,000,000,000,000 miles. Write this measurement in scientific notation.
(1 point)
Responses
6 × 1010 miles
6 × 10 10 miles
6 × 1011 miles
6 × 10 11 miles
6 × 1012 miles
6 × 10 12 miles
6 × 1013 miles
6 × 10 13 miles
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The correct answer is 6 × 10^12 miles.
To write the measurement of 6,000,000,000,000 miles in scientific notation, we need to move the decimal point to the right until we have a number between 1 and 10.
Counting the number of times we move the decimal point, the answer will be expressed as 6 multiplied by 10 raised to some power (10^n), where n represents the number of decimal places we moved the decimal point to the right.
In this case, we need to move the decimal point 12 places to the left to get a number between 1 and 10. Therefore, we can write 6,000,000,000,000 miles in scientific notation as 6 × 10^12 miles.
So, the correct response is: 6 × 10^12 miles.
To write the measurement in scientific notation, we need to express the number 6,000,000,000,000 in the form of a number between 1 and 10 (the coefficient) multiplied by a power of 10 (the exponent).
So, the correct answer is:
6 × 10¹² miles