Simplify.

(-3 ab^3 ) ^4

-7ab 12
-12a 4 b 7
-81a 4 b 7
81a 4 b 12

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

In the rectangle below ac=30 units what is de

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.