A) 1 cm ---------- 10 mm
14 cm ---------- ?
14 x 10 / 1 => 140 mm
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b) 1 cm ----------- 0.00001 km
14 cm ---------- ?
14 x 0.00001 / 1 => 0.00014 km
Answer:
1. A
2. C
3. B
4. D
5. D
6. B
Explanation:
I'm not quiet sure on 5 but I'm pretty sure its correct
Mark Brainiest please
Answer:
1.8 x 10^24
One mole of helium has 6.02 x 10^23 atoms, thise number is also called Avogadro's number or constant.
If we need number of atoms for 3 moles so simply, multiply 3 by 6.02 x 10^23
so,
Number of atoms for 3 moles = 3 x ()
Number of atoms will be = 1.806x10^24
