Answer:
The increase in wave amplitude is 1 unit.
Explanation:
Given : In wave amplitude is seen from an earthquake measuring 5.4 on the Richter scale compares to the one measuring 4.4.
To find : How much of an increase in wave amplitude ?
Solution :
Richter scale compares to the one measuring 4.4 unit.
In wave amplitude, an earthquake measuring 5.4 unit.
Increase in measuring is higher value subtracting lower value.
![5.4-4.3=1.0](https://img.qammunity.org/2019/formulas/mathematics/high-school/xor528239piefz7cpnuojvpntq603vycgw.png)
Therefore, The increase in wave amplitude is 1 unit.