Question

Compare 9 ⋅ 104 to 3 ⋅ 102. 9 ⋅ 104 is 3 times larger than 3 ⋅ 102. 9 ⋅ 104 is 30 times larger than 3 ⋅ 102. 9 ⋅ 104 is 300 times larger than 3 ⋅ 102. 9 ⋅ 104 is 3,000 times larger than 3 ⋅ 102.

Answer 1

Correct option is:

9 ⋅ 104 is 3 times larger than 3 ⋅ 102

Explanation:

9 ⋅ 104 = 3×3×104

3 ⋅ 102 = 3×102

104 is near to 102

Let 104 ≈ 102

3×104 ≈ 3×102

3×3×104 ≈ 3×3×102 = 3(3×102)

i.e. 9 · 104 ≈ 3(3 · 102)

Hence, Correct option is:

9 ⋅ 104 is 3 times larger than 3 ⋅ 102