Answer:
Step-by-step explanation:
The truck is 315 inches long
Answer:430
Step-by-step explanation:78 times 3 is 430
No its not polygons dont cross lines
Answer:
The third one!
Step-by-step explanation: 5 5 5 5 its 5!
By using exponent, it can be verified that
in standard form is 
What are exponent?
Exponent tells us how many times a number is multiplied by itself.
For example : In 
Here, 2 is multiplied by itself 4 times.
If
(m times), a is the base and m is the index.
The laws of index are

The given exponent is

To learn more about exponent, refer to the link:
brainly.com/question/11975096
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