cos(41 deg) = 0.7574
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3.14159The 9 was just in-caseHere is the value of PI to 10 decimal places:3.1415926536For four decimal places keep in mind you want to round the 5 up, so 3.1416.Answer+MoreTo the 18th decimal place pi is 3.1415926535897932383.141592 is very close to 3.1416 so pi to the fourth decimal place is in fact, 3.1416.
2.7959
It is 19299522.0000
To find the number of decimal places in a product of decimal numbers, add up the total number of decimal places in each of the factors. For example, if you have 2.5 multiplied by 4.75, there are two decimal places in 2.5 and two decimal places in 4.75, so the product will have a total of four decimal places.
Use the tangent angle of elevation which works out as 31.7497 degrees to four decimal places