Answer:
b^5
Exponent rule when dividing = subtract exponents
b^12 - b^7 = b^5
Step-by-step explanation:
Answer: si esta correcta 1/6
Step-by-step explanation:
Espero te ayude
Answer:
0.328 
Step-by-step explanation:
820mm = 82cm = 0.82m
400mm = 40cm = 0.40m
0.82 x 0.40 = 0.328