Evaluate the following to 4 significant figures?

Question

1) log_10(subscript)370
2) log_2(subscript)27
3) 10^-1.6(to the power of)
4) 2^12.1(to the power of)

Answer 1

1) 2.5682017240669945
2) 4.754887502163469
3) 0.025118864315095794
4) 4389.984102548656

A TI graphing calculator should be able to do these.