Question

How would the number 1.09 x 10^1 be expressed in decimal form? A) 109 B) 0.109 C) 1.09 D) 10.9 E) none of the above

Answer 1

Explanation:

To express the number 1.09 × 10^1 in decimal form, we need to multiply the number 1.09 by 10 raised to the power of 1.

10 raised to the power of 1 is equal to 10.

When we multiply 1.09 by 10, we move the decimal point one place to the right:

1.09 × 10 = 10.9

Therefore, the correct decimal form of the number 1.09 × 10^1 is 10.9.

In summary, the correct answer is D) 10.9.