The answer is 0.04
GIVEN
A number - 0.037
TO FIND
To convert the given number in 1 significant number.
SOLUTION
The above problem can be simply solved as follows;
Significant figures are a digits on a number that indicate the quantity of the something.
In 0.037 number of significant numbers are - 2
To convert into one significant figure will round off the number.
In 0.037 - The thousandth place is 7(>5) therefore,
1 will be added to 3
3 + 1 = 4
Hence, The answer is 0.04