Evaluate and give the answer in standard form.

Answer and explanation

Correct answer: B.

  1. Step 1: Multiply the numbers: . Add the powers: . Step 2. In standard form this is . **Answer: . Why not the others:** is what you get if you leave the coefficient as . is what you get if you forget to adjust the power. is what you get if you multiply the powers.

Practise more Geometry, Ratio and Word Problems.

Free questions with an explanation for every one, and full timed Uzbekistan Presidential Schools Admission Test mock tests.