Which expression is equivalent to 102 · 104?
a) 102
b) 104
c) 106
d) 1006

Option C  

Step-by-step explanation:

we have

we know that

When multiplying two powers that have the same base, you can add the exponents (product rule exponent)

so

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.

i agree because i see the other persons thinking is clear