Answer:
Below:
Step-by-step explanation:
When finding the power of a power, simplify the expression by <em><u>multiplying</u></em> the exponents

12^4^-5 = 


Answer:
multiplication, so d, 2 x 3
Step-by-step explanation:
remember... PEMDAS!!
Monday, 2.5×2.2=5.50
Tues, 1.2×2.2=2.64
5.50+2.64=8.14
He spent $8.14 total