1 and 2 I hope this help you :)
Answer:
1115322
Step-by-step explanation:
In 1906, San Francisco felt the impact of an earthquake with a magnitude of 7.8.
Claimed statement is he worst is yet to come, with an earthquake 142,990 times as intense as the 1906 earthquake ready to hit San Francisco.
We need to find the magnitude of their claimed earthquake.
It can be calculated by simply multiplying 142,990 by 7.8 as follows :

The magnitude of claimed earthquake is 1115322
.
Answer:
<h2>60 days</h2>
Step-by-step explanation:
<h3>Step 1: First, since it is 1/6 pound twice a day, multiply by 2</h3>
1/6 x 2 = 1/3
<h3>Step 2: Divide 20 by 3 to get days that bag will feed the dog</h3>
20 ÷ 1/3 = 60
The bag will feed Nina's dog for 60 days.
I'm always happy to help :)