130÷5=26 20÷5=4+26=30 each payed 30 dollars for the buffet
150 to 60. But the more commen why to do that were to simplify it.
Step-by-step explanation:
Consider the number 480 in expanded form:
... 480 = 4×100 + 8×10
The left-most digit and multiplier are those that correspond to the ones you use in scientific notation.. You recall that 100 = 10×10 = 10². All this means is that
... 480 = 4.8×10²
