PLEAS HELP!
instrumental
1. relating to an essential influence or agent of action
2. associated with, created for, or performed by musical instruments
3. conducted with, or related to an instrument or device
4. relating to a philosophy focused on determining the value and helpfulness of ideas
When Curtis first read this paragraph, he thought the word instrumental meant "significant."
Which dictionary entry shows that Curtis's understanding of the word instrumental was correct? 1. entry 1
3. entry 3
2. entry 2
4. entry 4