Answer: the digit in unit place of its square will be 4
Step-by-step explanation: Reason: 2 squared is 4, and 8 squared is 64 and both of those end in 4.
<span>it is 3000000000 because 1 gigameter is 1000000000 so 3 is 3000000000</span>
Answer:
There's something called Mathaway and it'll help you with this