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1) Calculate lower and upper bounds for the following calculations, if each of the numbers is given to the nearest whole number.
a) ^{21}/_{15}
UB = LB =
1) Calculate lower and upper bounds for the following calculations, if each of the numbers is given to the nearest whole number.
b) 120 x 15
UB = LB =
1) Calculate lower and upper bounds for the following calculations, if each of the numbers is given to the nearest whole number.
c) 115 x 24
UB = LB =
2) Calculate lower and upper bounds for the following calculations, if each of the numbers is given to one decimal place.
a) 3.2 + 7.4
UB = LB =
2) Calculate lower and upper bounds for the following calculations, if each of the numbers is given to one decimal place.
b) 3.6 × 8.4
UB = LB =
2) Calculate lower and upper bounds for the following calculations, if each of the numbers is given to one decimal place.
UB = LB =
3) Calculate lower and upper bounds for the following calculations, if each of the following numbers is given to two significant figures.
a) ^{3500}/_{600}
UB = LB =
3) Calculate lower and upper bounds for the following calculations, if each of the following numbers is given to two significant figures.
b) ^{3.1}/_{0.042}
UB = LB =
3) Calculate lower and upper bounds for the following calculations, if each of the following numbers is given to two significant figures.
c) ^{100}/_{2.5}
UB = LB =
3) Calculate lower and upper bounds for the following calculations, if each of the following numbers is given to two significant figures.
d) 2800 × 420
UB = LB =