HELP!

1 answer:

7 0

Well, 7% of 450 is 31.5. The error can go either way (too much or too little) so 450 - 31.5 = 418.5. We also do 450 + 31.5 = 481.5. The statement would be

Book mass = >418.5 and <481.5.

(This could be wrong, I haven't done this much before.)

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