3 years ago

How many significant figures are in the number 120?

Mathematics

2 answers:

Lelu [443]3 years ago

3 0

Answer:

1 and 0

Step-by-step explanation:

they tell us what hundred and that it IS a hundred

Anastasy [175]3 years ago

3 0

Answer:

Two significant figures

Step-by-step explanation:

All non-zero digits are significant

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tatuchka [14]

Answer:

Mason has

16 20¢ stamps;
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Step-by-step explanation:

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in 20¢: $20x$ cents;
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Hence,

$49(56-x)+20x+3(x+9)=2,355\\ \\2,744-49x+20x+3x+27=2,355\\ \\-49x+3x+20x=2,355-2,744-27\\ \\-26x=-416\\ \\26x=416\\ \\x=16$

Mason has

16 20¢ stamps;
25 3¢ stamps;
40 49¢ stamps.

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