Answer:
6 minutes
Step-by-step explanation:
60 * 10% =
60 * 0.1 =
6
Answer:

Step-by-step explanation:
Given
--- total



Required

This is calculated as:

So, we have:




Answer:
493.2 · 10⁸
Step-by-step explanation:
1 person = 180 bars
274,000,000 people · 180 bars per person
274,000,000 can be simplified to 274 · 10⁶
274 · 180 = 49320 · 10⁶
Now transferring this to scientific notation by moving the decimal two spaces to the left
493.2 · 10⁶ + 10² The 10² is for the two spaces to the left
493.2 · 10⁸