Express the following complex numbers in the standard form `a+ib`.Also their conjugate.`(2+3i)^2/(2-i)`

Express the following complex numbers in the standard form a+ib .Also their conjugate. (3-i)^2/(2+i)

Express the following complex numbers in the standard form a+ib .Also their conjugate. 1/(3+4i)

Express the following complex numbers in the standard form a+ib .Also their conjugate. (1+i)^3/(3-i) .

Express the following complex numbers in the standard form a+ib .Also their conjugate. ((1+i)(2+i)/(3+i) .

Express the following numbers in standard form. 31860000000

Express the following numbers in standard form. 3430,000

Express the following numbers in standard form. 0.00001436

Express the following numbers in standard form. 0.00000015

Express the following numbers in standard form. 0.00000000837

Express the following numbers in standard form. 6020000000000