Can you clarify or add a picture?
Answer:
600
Step-by-step explanation:
Because the tens digit is less than 5, round down to 600
Answer:
D
Step-by-step explanation:
there are 9 digits.
and round it off to the nearest hundred million which is 3.
There are 8 digits before the 3... so 10 gets to the power of 8.___ 10⁸
3,0×10⁸ m.s^-1
Step 1. (5+4-2)x(-2)
Step 2. (7)x(-2)
Step 3. -14
