Answer:
5.7*10^4 is equal to 57,000.
Explanation:
First, we must multiply 10 by its power, 4. That would be 10 4 times.
10*10*10*10 = 10,000.
Then, we multiply it by 5.7.
5.7*10,000 = 57,000.
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Ionic compounds. because when in solid form they are held firmly in place therefore they cannot move to conduct electric current.
Answer:
Subtract the mass of the CuSO4⋅ 5H2O from the mass of CuSO4 is the right one