Answer:
1)Eliminate redunant parentheses
(2h7)(7h)
=2h7(7h)
2)Eliminate redunant parentheses
2h7(7h)
=2h7.7h
3)Multiply the numbers
2h7.7h
=2×7h7h
=14h7h
4)Combine exponents
14h7h1
=14h7+1
=14h8
