Q1) 4 x\(10 ^{-1}\) x 7 x\(10 ^{-1}\) [ = 2.8 x\(10 ^{-1}\)]

Q1) 4.56 x\(10 ^{-1}\) \(\div\) 8 x\(10 ^{-4}\) [ = 5.7 x\(10 ^{2}\)]

Q1) 2 x\(10 ^{-2}\) -4.74 x\(10 ^{6}\) [ = -4.74 x\(10 ^{6}\)]

Q2) 7 x\(10 \) x x\(10 ^{4}\) [ = 7 x\(10 ^{5}\)]

Q2) 2.349 x\(10 ^{10}\) \(\div\) 8.7 x\(10 ^{7}\) [ = 2.7 x\(10 ^{2}\)]

Q2) 7 x\(10 ^{3}\) + 9.39 x\(10 ^{5}\) [ = 9.46 x\(10 ^{5}\)]

Q3) 6 x\(10 ^{-5}\) x 6 x\(10 \) [ = 3.6 x\(10 ^{-3}\)]

Q3) 1.05 x\(10 \) \(\div\) 5 x\(10 ^{4}\) [ = 2.1x\(10 ^{-4}\)]

Q3) 9 x\(10 ^{-3}\) -7.72 x\(10 ^{5}\) [ = -7.72 x\(10 ^{5}\)]

Q4) 1x\(10 ^{2}\) x 5 x\(10 ^{6}\) [ = 5 x\(10 ^{8}\)]

Q4) 3.05 x\(10 ^{2}\) \(\div\) 6.1x\(10 ^{3}\) [ = 5 x\(10 ^{-2}\)]

Q4) 5 x\(10 ^{4}\) + 1.86 x\(10 ^{-1}\) [ = 5 x\(10 ^{4}\)]

Q5) 6 x\(10 ^{-5}\) x 6 x\(10 ^{-4}\) [ = 3.6 x\(10 ^{-8}\)]

Q5) 3.906 x\(10 ^{3}\) \(\div\) 4.2 x\(10 ^{-2}\) [ = 9.3 x\(10 ^{4}\)]

Q5) 1x\(10 ^{2}\) + 5.92 x\(10 ^{4}\) [ = 5.93 x\(10 ^{4}\)]

Q6) 8 x\(10 ^{-2}\) x 8 x\(10 ^{-5}\) [ = 6.4 x\(10 ^{-6}\)]

Q6) 2.86 x\(10 ^{4}\) \(\div\) 4.4 x\(10 ^{-1}\) [ = 6.5 x\(10 ^{4}\)]

Q6) 1x\(10 ^{-3}\) + 4.22 x\(10 ^{4}\) [ = 4.22 x\(10 ^{4}\)]

Q7) 5 x\(10 ^{-1}\) x 4 x\(10 ^{6}\) [ = 2 x\(10 ^{6}\)]

Q7) 3.102 x\(10 ^{13}\) \(\div\) 3.3 x\(10 ^{5}\) [ = 9.4 x\(10 ^{7}\)]

Q7) 7 x\(10 ^{-1}\) -9.5 x\(10 ^{4}\) [ = -9.5 x\(10 ^{4}\)]

Q8) 9 x\(10 ^{2}\) x 8 x\(10 ^{-6}\) [ = 7.2 x\(10 ^{-3}\)]

Q8) 4.312 x\(10 ^{3}\) \(\div\) 5.6 x\(10 ^{-5}\) [ = 7.7 x\(10 ^{7}\)]

Q8) 4 x\(10 ^{-2}\) + 7.51x\(10 ^{4}\) [ = 7.51x\(10 ^{4}\)]

Q9) 7 x\(10 ^{-3}\) x 5 x\(10 ^{-3}\) [ = 3.5 x\(10 ^{-5}\)]

Q9) 1.184 x\(10 ^{6}\) \(\div\) 7.4 x\(10 ^{5}\) [ = 1.6 x\(10 ^{0}\)]

Q9) 1x\(10 ^{0}\) + 1.87 x\(10 ^{0}\) [ = 2.87 x\(10 ^{0}\)]

Q10) 1x\(10 ^{-2}\) x x\(10 ^{5}\) [ = x\(10 ^{3}\)]

Q10) 5.704 x\(10 ^{-4}\) \(\div\) 6.2 x\(10 ^{-1}\) [ = 9.2 x\(10 ^{-4}\)]

Q10) 4 x\(10 ^{-3}\) -8.02 x\(10 ^{5}\) [ = -8.02 x\(10 ^{5}\)]