Question

What is the correct answer in scientific notation? 1.2x104 x 1.2x108 =

Answer 1

Step one: Gather like terms
1.2×104×1.2x xx108
Step 2: Use Product rule: xaxb=xa+b
1.2×104×1.2x1+1+108
Step 3: Simplify 1+1+108 to 110
1.2×104×1.2x110
Step 4: Simplify
You answer will be: 149.76x110