Write the decimal forms of the quantities mentioned (d) 25 tens - Figure it out - Page 78, 79, 80

part 2 - Question 14 (d) - Figure it out - Page 78, 79, 80 - Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash) - Class 7 (Ganit Prakash)

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Question 14 (d) Write the decimal forms of the quantities mentioned (an example is given): (d) 25 tens, 25 ones, 25 tenths, and 25 hundredths Number = 25 × 10 + 25 × 1 + 25 × 1/10 + 25 × 1/100 = 250 + 25 + 𝟐𝟓/𝟏𝟎 + 𝟐𝟓/𝟏𝟎𝟎 = 275 + (𝟐𝟓/𝟏𝟎+𝟐𝟓/𝟏𝟎𝟎) = 275 + (25 × 10 + 25)/100 = 275 + (250 + 25)/100 = 275 + 𝟐𝟕𝟓/𝟏𝟎𝟎 = (275 × 100 + 275)/100 = (27500 + 275)/100 = (27775 )/100 = 277.75

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 15 years. He provides courses for Maths, Science and Computer Science at Teachoo