Fractions and Decimals Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61] 2 6 3 4 2 6 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression=(a² - b²) / (a - b)=[(a + b)(a - b)] / (a - b)= (a + b)= (2.39 + 1.61)= 4
Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.32 0.28 0.30 0.34 0.32 0.28 0.30 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 (369.99)² = ? None of these 1369 x 10 1369 1369 x 10² None of these 1369 x 10 1369 1369 x 10² ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1369 x 10²
Fractions and Decimals 0.0169 / 0.013=? 130/10 1300/10 13/10 None of these 130/10 1300/10 13/10 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.0169 / 0.0130 = 169 / 130 = 13 / 10
Fractions and Decimals 25 / .0005 = ? 50000 5000 500 500000 50000 5000 500 500000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25 / .0005= 250000 / 5= 50000
Fractions and Decimals 9.724 ÷ 100 = ? None of these 0.09724 0.9724 9.724 None of these 0.09724 0.9724 9.724 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9.724 ÷ 100 = 0.09724Shift decimal two palaces to the left. i.e 100
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