I guess depends on the language but for both java and C++ answer 3 is correct.
Explanation:
The precision in double values is twice as compared to float values.Hence double have smaller rounding errors as compared to float variables .A double is of 64 bits and float is of 32 bits usually hence floats have more rounding errors and on more number than doubles.Double has 15 decimal digits of precision and float has only 7 decimal digits for precision.
Economists use data:
- To explain trends in production and shipping.
- To follow and predict unemployment rates.
<h3>How do economists make predictions?</h3>
Economists often uses data to make forecast and it is where there is the use of sample data from a population that brings about uncertainty.
Note that Economists use data:
- To explain trends in production and shipping.
- To follow and predict unemployment rates.
See options below
How do economists use data? Check all that apply.
to follow and predict unemployment rates
to communicate with customers instantly
to ship goods to countries all over the world
to explain trends in production and shipping
to apply automation to reduce production costs
Learn more about economists from
brainly.com/question/9913581#SPJ12
