An expression to represent a decimal between 1 and 10 multiplied by ten. basically to write larger numbers with less digits.
ex . 100 = 1 x 10^2
ex. 4321= 4.321 x 10^3
The greatest common factor is 3abc
7.91 = 8 21.9 = 22
8 + 22 = 30
Answer:
a i think
Step-by-step explanation: