Simplify to a single power of 6:

6^4 times 6^6

To simplify this expression, we can use the rule of exponents which states that when multiplying two powers with the same base, we can add their exponents.

Therefore, we have:

6^4 times 6^6 = 6^(4+6) = 6^10

So, the simplified expression is 6^10.