Asked by RXB_I

Place the numbers in descending order. 2.3 × 10^−10; 3.2 × 10^−10; 2.3 × 10^−12; 2.3 × 10^−8
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Answered by RXB_I
Janiya found that her playlist will play for 3.8×102 seconds, 6.3¯¯¯ ×10^5 minutes, 1.05¯¯¯¯¯ ×10^4 hours, or 4.39814¯¯¯¯¯¯¯¯¯¯¯¯ ×10^2 days. Which answer uses the most appropriate units?
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Answered by RXB_I
No bot it's 4.39814¯¯¯¯¯¯¯¯¯¯¯¯ that's the correct answer
Answered by RXB_I
A national park covers an area of 1.42×10^6 acres. A nearby national forest covers an area of 1.2×10^6 acres. What is the total number of acres in the park and the forest combined?
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Answered by RXB_I
The average tectonic plate moves at the rate of 0.006 m per year. How many meters would it move in 2×10^6 years? Write the answer in scientific notation, expressed to the exact decimal place.
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Answered by RXB_I
No bot the correct answer is 1.2 * 10^4
Answered by RXB_I
An asteroid is heading toward Mars at the rate of 7.7×10^4 mi./hr. If the asteroid is 3.311×10^8 miles away from Mars, how many hours will it be before it hits Mars? Write the answer in scientific notation, expressed to the exact decimal place.
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Answered by RXB_I
A field of 3.9 mi2 is being subdivided into 1.3×10^3 family gardens. How many square miles will there be in each garden? Write the answer in scientific notation.
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