Answer:
1.861(10²)
Step-by-step explanation:
Proper scientific notation only has the ones place and decimals. To get the same value again, we would need the exponent to be 2 and not -2.
You are right. 5 is correct.
Isn't it impossible to drink from an empty bottle?
The missing numbers are 3, and 7
the pattern is +2 to each number
