Please help I need all 4 questions xx

a) 4¹²

b) 6⁷

c) 8⁵

d) 7²

Step-by-step explanation:

when multiplying numbers to the power of whatever it is, you simply add the powers. thats the most basic explanation for this. dividing powers means subtracting the powers.

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)