Fractions and Decimals [{(0.1)² - (0.01)²} / {0.0001 + 1 }] is equal to ? 50 75 25 100 50 75 25 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = (0.01 - 0.0001) / (0.00001 + 1)= (.0099 / .0001) + 1 = 99 + 1= 100
Fractions and Decimals ? / .0025 = 800 4 2 1 3 4 2 1 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k / .0025=800 Then, k = 800 x .0025= ( 800 x 25 ) / 10000 = 2
Fractions and Decimals [(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ? 3 2 4 1 3 2 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( a³ + b³ )/ (a² + b² - ab) where = 0.87 and b = 0.13= [(a + b ) (a² + b² - ab)] / (a² + b² - ab) = a + b = 0.87 + 0.13= 1
Fractions and Decimals 0.001 / ? = 0.01 0.1 None of these 0.001 0.01 0.1 None of these 0.001 0.01 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.001 / x = 0.01 Then , x = 0.001 / 0.01 = 0.001 / 0.010= 1 / 10 = 0.1
Fractions and Decimals What decimal of an hour is a second 0.0026 0.0025 0.0028 0.0027 0.0026 0.0025 0.0028 0.0027 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
Fractions and Decimals (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 0.8 80 8 800 0.8 80 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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