6.7x10^6 always the the decimal points go between the first 2 numbers, and you count the numbers of decimal places following it to get your scientific exponent
Multiply 75*5 to get 375
then add 120 from the lot to get 495
By adding all of the numbers on the the outside lines
Answer:
4x^3+8x^2−x−2
Step-by-step explanation:
