Pa help sa math guys true or false lang

1. A number that has an exponent of 1 is equal to itself
2. if you multiply -10 to -10 then the answer will be -100.
3. 6 raised to the power of 8 equals 48
4. Rhombus is a parallelogram that has 4 equal sides.
5. The diagonals of a rectangle bisect each other.