Multiple choice

The area of city x is 182,234 km2 and the area of city y is 881,776 km2. What is the combined area of two cities and represent the result in standard index form?

  1. 1.064010 × 106 km2

  2. 1.06 × 107 km2

  3. 1.08 × 1012 km2

  4. 1.08 <span style="font-family:">× 10<span style="font-family:">13 <span style="font-family:">km<span style="font-family:">2

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Combined area = 182,234 + 881,776 = 1,064,010 km^2 = 1.064010 × 10^6 km^2. Add both areas precisely, then express in standard form by moving decimal 6 places left.