Q1) 3 x\(10 \) x 7 x\(10 ^{2}\) [ = 2.1x\(10 ^{4}\)]

Q1) 2.542 x\(10 ^{0}\) \(\div\) 4.1x\(10 ^{0}\) [ = 6.2 x\(10 ^{-1}\)]

Q1) 9 x\(10 ^{-4}\) + 7 x\(10 ^{0}\) [ = 7.001x\(10 ^{0}\)]

Q2) 6 x\(10 \) x x\(10 ^{-5}\) [ = 6 x\(10 ^{-4}\)]

Q2) 1.35 x\(10 ^{10}\) \(\div\) 1.8 x\(10 ^{3}\) [ = 7.5 x\(10 ^{6}\)]

Q2) 1x\(10 ^{-2}\) + 2.76 x\(10 ^{6}\) [ = 2.76 x\(10 ^{6}\)]

Q3) 9 x\(10 ^{-1}\) x 5 x\(10 ^{-5}\) [ = 4.5 x\(10 ^{-5}\)]

Q3) 5.4 x\(10 ^{7}\) \(\div\) 7.2 x\(10 ^{0}\) [ = 7.5 x\(10 ^{6}\)]

Q3) 7 x\(10 ^{2}\) + 1.4 x\(10 ^{-1}\) [ = 7.001x\(10 ^{2}\)]

Q4) 6 x\(10 ^{-5}\) x 6 x\(10 \) [ = 3.6 x\(10 ^{-3}\)]

Q4) 4.361x\(10 ^{6}\) \(\div\) 4.9 x\(10 ^{3}\) [ = 8.9 x\(10 ^{2}\)]

Q4) 9 x\(10 ^{4}\) + 2.9 x\(10 ^{5}\) [ = 3.8 x\(10 ^{5}\)]

Q5) 6 x\(10 ^{-3}\) x 7 x\(10 ^{-2}\) [ = 4.2 x\(10 ^{-4}\)]

Q5) 1.6 x\(10 ^{2}\) \(\div\) 3.2 x\(10 ^{-4}\) [ = 5 x\(10 ^{5}\)]

Q5) 9 x\(10 ^{-2}\) -1.17 x\(10 ^{3}\) [ = -1.17 x\(10 ^{3}\)]

Q6) 1x\(10 ^{2}\) x 5 x\(10 ^{6}\) [ = 5 x\(10 ^{8}\)]

Q6) 2.5 x\(10 ^{-2}\) \(\div\) 5 x\(10 ^{-4}\) [ = 5 x\(10 \)]

Q6) 8 x\(10 ^{-2}\) + 6.54 x\(10 ^{-2}\) [ = 1.454 x\(10 ^{-1}\)]

Q7) 1x\(10 ^{-2}\) x 4 x\(10 ^{-4}\) [ = 4 x\(10 ^{-6}\)]

Q7) 5.3 x\(10 ^{11}\) \(\div\) 5.3 x\(10 ^{6}\) [ = x\(10 ^{5}\)]

Q7) 4 x\(10 ^{-2}\) + 7 x\(10 ^{-2}\) [ = 1.1x\(10 ^{-1}\)]

Q8) 5 x\(10 ^{6}\) x x\(10 ^{0}\) [ = 5 x\(10 ^{6}\)]

Q8) 5.16 x\(10 ^{2}\) \(\div\) 8.6 x\(10 ^{-5}\) [ = 6 x\(10 ^{6}\)]

Q8) 5 x\(10 ^{-4}\) -9.39 x\(10 ^{0}\) [ = -9.39 x\(10 ^{0}\)]

Q9) 6 x\(10 ^{-5}\) x 6 x\(10 ^{-4}\) [ = 3.6 x\(10 ^{-8}\)]

Q9) 1.716 x\(10 ^{2}\) \(\div\) 7.8 x\(10 ^{-4}\) [ = 2.2 x\(10 ^{5}\)]

Q9) 5 x\(10 ^{4}\) -2.73 x\(10 ^{5}\) [ = -2.23 x\(10 ^{5}\)]

Q10) 2 x\(10 \) x 9 x\(10 \) [ = 1.8 x\(10 ^{3}\)]

Q10) 3.92 x\(10 ^{9}\) \(\div\) 4 x\(10 ^{2}\) [ = 9.8 x\(10 ^{6}\)]

Q10) 4 x\(10 ^{-4}\) -5.49 x\(10 ^{3}\) [ = -5.49 x\(10 ^{3}\)]