Answer:

Step-by-step explanation:

Step-by-step explanation:
if the digit in the tenth place is less then 5, then round down, which means the units digit remains the same. If the digit in the tenth place is 5 or greater then round up which means you should increase the unit digit by one.
1 a)
6^2*6^3= 6^(2+3)=6^5
1b)
(-2)^2 *(-2)^4 = (-2)^(2+4)= (-2)^6=2^6
1c
For a. 55greater than equal to X less than equal to 80