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

Question

BlackTom AI · Accepted Answer

We start by restating the task in my own words: add 136.8 inches to the length that 85.8 cm converts to in inches, and round the final result to 2 decimal places.
Step 1: Convert 85.8 cm to inches. The conversion factor is 1 inch = 2.54 cm, so inches = cm ÷ 2.54. Calculate 85.8 ÷ 2.54.
Step 2: Do the division accurately: 85.8 ÷ 2.54 ≈ 33.778... inches. For purposes of the next step, we’ll keep the more precise value 33.778... inches, and then we’ll apply final rounding to two decimals.
Step 3: Add the converted length to 136.8 inches: 136.8 + 33.778... ≈ 170.578... inches.
Step 4: Round the result to two decimal places. 170.578... rounds to 170.58 inches.
Step 5: Compare with the given potential answer: if an answer option exists, you would check whether 170.58 matches the expected rounding. In some datasets, rounding choices might yield 170.59 due to using a different intermediate rounding approach (e.g., rounding the conversion to two decimals first, then adding). Here, using the precise conversion and then rounding the final sum yields 170.58.
Step 6: Identify potential sources of discrepancy: (a) rounding the cm-to-inch conversion early (e.g., 33.78 inches) before addition can produce 136.8 + 33.78 = 170.58, which matches the precise final rounding; (b) if one rounded 33.78 to 33.79 before adding, the sum would be 170.59, which explains how a 170.59 result could appear.
Step 7: Summary of reasoning: convert cm to inches using the exact factor, add to the inch value, then round the final sum to two decimals. The precise calculation yields 170.58 inches, while an intermediate rounding in the conversion step could lead to 170.59 if 33.78 is rounded up to 33.79 before addition.

ECON1101-Microeconomics 1 - T1/2025

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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ECON1101-Microeconomics 1 - T1/2025

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

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。

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

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

更多留学生实用工具

考试浏览器助手

风格化写作助手

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文献引用助手

课堂转译助手

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学校历年真题

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智能匹配练习

希望你的学习变得更简单

在英制单位中,英制尺寸的进位方法是 1(ft)英尺=（）(in)英寸。