l. simplify each expression.

1. 10 to the 1 power + 4 to the 3 power
2. 12 to the 4 power divided by 12 to the 5 power
3. 5 to the 3 power multiply by 5 to the 1 power
4. ( 10 multiply 10 to the 1 power ) divided by 5 to the 2 power
5. (-7)to the 2 power


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