First way. you could round to the tens place and add. 370 + 230 about 600.
round to the nearest hundreds. 400 plus 200. about 600.
Take a pic of whole page so I can see instructions
M is the exponent of z inside parentheses. In expanded form, the exponent of z is 8m, so m is 1/8 of the exponent of z.
Answer:
It would've been more difficult to solve and doing it as shown in EX:2 it's a way easier method to use and remember.
Is there an A.B.C. or D to choose from?
