Choose the number of significant figures 60.0

In this case there are 3 significant figures.

Any zeroes after another number, (i.e. 9300.000), you consider these numbers.  

If there is something like 0.0060, this would be two significant digits.  

Zeroes before a number are not significant, anything after are.  

Hope this helps any confusion!

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3 significant figures

Explanation:

The rules for deciding which digits in a measurement are significant are as follows:

1) All nonzero digits are significant.

2) Sandwiched (or embedded) zeros, those between significant digits, are significant.

3) Leading zeros, which are zeros at the beginning of a decimal number less than 1, are not significant.

4) Trailing zeros, which are zeros at the end of a number, are significant only if the number has a decimal point.

By rule 4 since 60.0 has a decimal point all 3 figures are significant

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.