Answer:
6m 48cm
Explanation:
First we can convert the length of Mac's bedroom to centimeters:
As<em> 1 m is equal to 100 cm</em>,
- 3m 59cm is equal to 300 cm + 59 cm = 359 cm.
As for Dennis' bedroom's information:
Now we can calculate the length of Dennis' bedroom:
Rewriting the answer leaves us with 6m 48cm.
Answer:
did not understand a thing
"There are three rules on determining how many significant figures are in a number: Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant."