Answer:
13
Step-by-step explanation:
12 * 12 = 144
5 * 5 = 25
144 + 25 = 169
√169 = 13
The correct answer is B :)
Answer:
bc they are placed the same if one is multiplied by 10. or you could just multiply the tens place and add that to your 100
140=14×10 and 100 and 4 tens is written 140.