0.0009
Example 4State the upper and also lower bounds for each that the complying with quantities and write an inequality because that the actual value in every case. (a)
4 mm come the nearest mm.
Upper tied = 4.5 mmLower bound = 3.5 mm 3.5 mm ≤ really value reduced bound = 14.5 kg 14.5 kg ≤ really value reduced bound = 4.555 mm 4.555 m ≤ really value inquiry 1 Round every of the following numbers to the nearest 100: (a)(b)(c)(d)the nearest million,    the nearest 10,    the nearest 1000,    the nearest 100.   
Question 3Write every of the adhering to numbers exactly to 3 farreaching figures: (a)(b)(c)(d)(e)(f)7.431    8.269    4.7135    11.925    24.8603    44.0019   
Question 5Write each of the adhering to numbers exactly to the number of farranging figures stated:
Question 7Barry ring the number 374.49 come 375.
Is Barry correct?  choose CorrectIncorrect
Give the exactly answer to the nearest whole number.
Question 8Use a calculator to carry out the following calculations. In each case, offer the answer exactly to 2 farranging figures.
Question 9The mass of a ship is declared as 47 384 tonnes come the nearest tonne. Space the following statements correct?
(a)(b)(c)the nearest 100 grams,  grams   the nearest 10 grams,  grams   the nearest kg.  kg  
Viv"s best throw was measured together 35.42 m.Could Viv"s throw actually have actually been much more than 35.42 m ?  YesNo
(i)
(ii)
Which 2 rivers have the same length come the nearest 100 km? and also
(i)
Write the length of each river rounded to the nearest 10 km. River  Length in kilometres tothe nearest km  Length in km to thenearest 10 km  Severn  354   Thames  346   Trent  297   Wye  215   Dee  113  
(ii)
150 kilometres ≤ river length km and km. 250 km ≤ river length 245 kilometres ≤ river length Question 13
The size of one envelope is 21 cm to the nearest cm. What is the smallest possible real length of the envelope? cm
(b)
The expression on the number line listed below shows every the possible real lengths the the envelope. Write down the correct numbers because that the lower and upper borders of the interval, represented on the diagram by A and B.
(c)
The length of a map is 20.5 centimeter to the nearest tenth of a cm.
See more: Weight Of A 20 Dollar Bill S Weigh? Money Weight Calculator
The expression on the number line below shows all the possible real lengths of the card.
