HELP FAST PLEASE!!! NEED ANSWER IN LESS THAN 10 MINUTES!! WILL GIVE BRAINLIEST!!

1. Compute -2 to the power of -3 × -3 to the power of -2.

2. Compute 2^10 x 2^8 x 2^6 x 2^4 x 2^2 x 2^-1 x 2^-3 x 2^-5 x 2^-7 x 2x-9.

3. Compute 2^16 x 4^-8 x 8^4 x 16^-2

TYSM for your help!!