Kopertina e librit Matematika 10 - 11: Pjesa II

Zgjidhja e ushtrimit 11

Zgjidhja e ushtrimit 11 të mësimit 5.3A në librin Matematika 10 - 11: Pjesa II nga shtëpia botuese Botime Pegi me autorë Steve Fearnley, June Haighton, Steve Lomax, Peter Mullarkey, James Nicholson dhe Matt Nixon.


Pyetja

Kryeni veprimet:

  1. (4×106):(2×108)(4 \times 10^6) : (2 \times 10^8) 
  2. 5×104×2×1065 \times 10^4 \times 2 \times 10^{-6}
  3. (3×103):(2×105)(3 \times 10^{-3}) : (2 \times 10^5)
  4. (4×105):(2×102)(4 \times 10^5) : (2 \times 10^2)
  5. 5×103×5×1045 \times 10^{-3} \times 5 \times 10^{-4}
  6. (9.3×102):(3×106)(9.3 \times 10^{-2}) : (3 \times 10^{-6})

Zgjidhja

  1. 4×1062×108=2×102\dfrac{4 \times 10^6}{2 \times 10^8} = 2 \times 10^{-2}
  2. 10×102=1×10×102=1×10110 \times 10^{-2} = 1 \times 10 \times 10^{-2} = 1 \times 10^{-1}
  3. 3×1032×105=32×108=1.5×108\dfrac{3 \times 10^{-3}}{2 \times 10^5} = \dfrac{3}{2} \times 10^{-8} = 1.5 \times 10^{-8}
  4. 4×1052×102=2×103\dfrac{4 \times 10^5}{2 \times 10^2} = 2 \times 10^3
  5. 25×107=2.5×10×107=2.5×10625 \times 10^{-7} = 2.5 \times 10 \times 10^{-7} = 2.5 \times 10^{-6}
  6. 9.3×1023×106=3.1×104\dfrac{9.3 \times 10^{-2}}{3 \times 10^{-6}} = 3.1 \times 10^4