Fractions and Decimals The product of 3.5413 x 2.1 is 74.3673 7.43673 None of these 743.673 74.3673 7.43673 None of these 743.673 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For the product of 3.5413 x 2.1Consider 35413 x 21 = 743673Total decimal places = 4 + 1∴ 3.5413 x 2.1=7.43673
Fractions and Decimals ? / .0025 = 800 3 2 4 1 3 2 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k / .0025=800 Then, k = 800 x .0025= ( 800 x 25 ) / 10000 = 2
Fractions and Decimals (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 0.8 800 8 80 0.8 800 8 80 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
Fractions and Decimals 9.75 x 9.75 - 2 x 9.75 x 5.75 + 5.75 x 5.75 = ? 17 16 15 18 17 16 15 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = a² -2ab + b² Where a =9.75 and b=5.75= (a-b)² = (9.75 - 5.75)² = 4²=16
Fractions and Decimals 0.9 x 0.008=? 0.00072 None of these 0.72 0.072 0.00072 None of these 0.72 0.072 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 9 x 8=72∴ 0.09 x 0.008 = 0.00072 (Five place of decimal )
Fractions and Decimals 16.001 x 11.999 x 99.989 x 0.9 = ? 18764 17280 20924 19347 18764 17280 20924 19347 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16 x 12 x 100 x 0.9 ? = 17280
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