exam Maths Puzzle Numerical Ability

how can I rewrite without parethesis use distribution using mailman property.
3+(+^3+^2-2+1)

how can I simplify this in radical form?
squareroot of 3+2 squareroot of 3=

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exam Other Question

The problem is:

Express the exponential function as log functions:
10^x= 1000

My answer is 3.

10^2x+1 =3

My answer is x=.2385

e^3y=1

My answer is x=.7675

Please and thank you in advance.
3x+2/2=7