Fractions and Decimals What decimal fraction is 40 ml of a litre ? .04 .004 4 .0004 .04 .004 4 .0004 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
Fractions and Decimals 0.8 x ? =0.0004 0.05 0.0005 0.00005 0.005 0.05 0.0005 0.00005 0.005 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005
Fractions and Decimals 3889 + 12.952 - ? = 3854.002 479.5 4.795 4795 47.95 479.5 4.795 4795 47.95 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3889 + 12.952 - x = 3854.002.Then x = (3889 + 12.952) - 3854.002 = 3901.952 - 3854.002 = 47.95.
Fractions and Decimals By how much is 12% of 24.2 more than 10% of 14.2 ? 1.484 1.684 1.284 1.884 1.484 1.684 1.284 1.884 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required difference = (12 x 24.2) / 100 - (10 x 14.2) / 100= 2.904 -1.42 = 1.484
Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.28 0.30 0.32 0.34 0.28 0.30 0.32 0.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence,(0.29)² - (0.01)²/0.3 = (0.29 + 0.01)(0.29 - 0.01)/0.3= (0.3 x 0.28)/0.3 = 0.28
Fractions and Decimals (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 80 0.8 8 800 80 0.8 8 800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.5)³ + (0.3)³] / [(0.5)² - 0.5 x 0.3 + (0.3)²]= [a³ + b³] / [a² - ab + b²]=[(a + b)(a² - ab + b²)]/ [a² -ab + b²]= a+b = 0.5 + 0.3 = 0.8
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