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10 = 10¹1000 = 10x10x10 = 10³
10⁰ = 1
o,1 = 1 tiende = is 10 tot de macht -1
0,01 = 1;100 = 1 (deelstreep) tien tot de macht 2 = 10 tot de macht -2
2300 = 2,3 x 1000
→ 2,3 x 10³
opdracht B23:
5m3 = x1000 → l
5000 liter = 5m3
70 mg 1L
5000L x 70mg = 350gram
150 mg = 0,150 g = 0,000150 kg → 1,5 x 10 tot de macht -4
2 eieren 8 eieren
100 gram boter ….
hierbij moet je kruislinks vermenigvuldigen.
… x 2 eieren = 100 x 8
2x = 800
x = 400
je hebt dus voor x (boter) 400 (gram) nodig
! dichtheid = massa/volume
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