5x^4
Step-by-step explanation:
simply we take 5x^4 bec. it can be divided by 40 and 135
B; 25.65+13.23+6.35=45.23
To do this mentally just add the 2 decimals places together first (1.23). Then just add the whole numbers (44). Then add the 2 numbers together, 44+1.23=45.23
