Question

Write 4x^2(–2x^2 + 5x^3) in standard form. Then classify it by degree and number of terms.

Answer 1

Standard form, hmm.
Multiplying an exponent is just adding, so let us do this.
Simplified, the answer should be 

Answer 2

20x⁵ - 8x⁴
 degree-5 terms-2