Fractions and Decimals 5 x 0.25 x 6.301 x 0.00394=? 31.0324250 0.0310324250 0.310324250 3.10324250 31.0324250 0.0310324250 0.310324250 3.10324250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here 5 x 25 x 6301 x 394=310324250Total decimal places = (2+3+5) = 10 ∴ 5 x 0.25 x 6.301 x 0.00394 = 0.0310324250
Fractions and Decimals 0.6 + 0.66 + 0.066 + 6.606 = ? 793.2 7.932 7932 79.32 793.2 7.932 7932 79.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.6 + 0.66 + 0.066 + 6.606= 0.600 + 0.660 + 0.066 + 6.660= 7.932
Fractions and Decimals (44.99)² - (15.01)² = ? 1500 1100 700 1800 1500 1100 700 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence, (44.99)² - (15.01)² = (44.99 + 15.01)(44.99 - 15.01)= 60 x 29.98 = 60 x 30 = 1800
Fractions and Decimals (.356 x .365 - 2 x .365 x .106 + .106 x .106) / (.632 x .632 + 2 x .632 x .368 +.368 x .368) = ? 6.25 .625 .0625 62.5 6.25 .625 .0625 62.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(.356)² -2 x .356 x .106 + (.106)²] / [(.632)²+2 x .632 x .368 +(.368)²]= (a² -2ab + b²) / (c²+2cd+d²)= (a - b)² / (c + d)²= (.356 -.106)² / (.632 + .368)²= (.25)² = .0625
Fractions and Decimals Two times of the third of three consecutive even integers is three times of the first. Then the second integer is 10 4 7 1 10 4 7 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive three integers be X, X + 2 and X + 4Then, 2(X + 4) = 3XX = 8Now X + 2 = 10The required second integer is 10
Fractions and Decimals Convert 0.34 in to a vulgar fraction ? 17 17/50 17/100 17/25 17 17/50 17/100 17/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.34 = 34/100 = 17/50
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