Chemistry
Physics
Biology
Mathematics
Harder Mathematics
100

Gold in its chemical form and its atomic number.

AU, atomic number is 79.

100

What is the invisible force that pulls you down?

 Gravity.

100

What unique group of mammals does the platypus belong to, which lays eggs instead of giving birth to live young?


Monotremes.

100
33 over 2. (3 to the power of 3 divided by 2)

13.5

100

34 or 3 to the power of 4

81

400

66 or 6 to the power of 6.

46656

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