Convert 851 miles to km (1 m = 1.094 yds; 1 mile = 1760 yds).

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BlackTom AI · Accepted Answer

Let’s step through the conversion carefully and check each option.
First, recall the standard length conversion: 1 mile equals 1.609344 kilometers (since 1 mile is 1760 yards and 1 yard is 0.9144 meters, giving 1760 × 0.9144 = 1609.344 meters).
Now, convert 851 miles to kilometers by multiplying: 851 miles × 1.609344 km/mile.
Compute the product: 1.609344 × 851 = 1.609344×800 + 1.609344×50 + 1.609344×1 = 1287.4752 km + 80.4672 km + 1.609344 km = 1369.551744 km.
With appropriate rounding, this is about 1369.6 km, and commonly rounded to 1370 km for a neat figure.
Option-by-option analysis:
- 1470 km: This is noticeably larger than the precise value by about 100 km. It would imply a mile value about 137 km larger than actual, indicating a miscalculation or rounding error.
- 4.73 × 10–4 km: This is 0.000473 km, which is vastly too small by several orders of magnitude. It would correspond to roughly a few meters, not hundreds of miles.
- 1370 km: This matches the correctly computed magnitude and reasonable rounding of 1369.551... km, so it is the correct choice.
- 1.37 × 10^6 km: This is 1,370,000 km, which is far too large for converting a few hundred miles; impossible given the conversion factor.
- 2.39 km: This is far too small; 851 miles cannot be compressed into less than 3 thousandths of the distance.
Thus, the only option that aligns with the precise conversion and standard rounding is 1370 km.

Convert 851 miles to km (1 m = 1.094 yds; 1 mile = 1760 yds).

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Convert 851 miles to km (1 m = 1.094 yds; 1 mile = 1760 yds).

查看解析

登录即可查看完整答案

类似问题

If you were asked to perform a 1-mile walking journey on a common, standard outdoor track (like one seen at a local high school), you would need to complete 2 laps on the track.

在英制单位中,英制尺寸的进位方法是 1(ft)英尺=（ ）(in)英寸。

Express 67074 mm in m and scientific notation.

If Mr. M weighs 190 pounds, what is his weight in kilograms (kg)? Round to the nearest whole number.

The durations of tracks are given in milliseconds in column S "duration_ms". There are 1000 milliseconds in a second. If you were to listen to all the tracks on the list without stopping, how many HOURS would it take, to the nearest hour?

The definition of an acre land is a rectangle that measures 1 furlong by 1 chain (old units of length). A chain is 22 yards. How many modern day meters make the length of one chain?

How many 16.9 ounce bottles water would you need to water your crop (use your answer from question 3) ? 1 m3 = 3.381402 x 104 ounces

What is the total length in inches of 136.8 inches and 85.8cm? Remember to round correctly to 2 decimal places.

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在英制单位中,英制尺寸的进位方法是 1(ft)英尺=（）(in)英寸。