Question

391.072 Which of the following is equivalent to the number above? A. 3,000 + 90 + 1 + 0.07 + 0.002 B. 300 + 90 + 1 + 0.07 + 0.002 C. 300 + 9 + 1 + 0.07 + 0.002 D. 300 + 10 + 9 + 0.7 + 0.02

Answer 1

To determine which of the options is equivalent to the number 391.072, we can break down the number into its components based on place values:

- 3 in the hundreds place = 300
- 9 in the tens place = 90
- 1 in the ones place = 1
- 0 in the tenths place = 0.0
- 7 in the hundredths place = 0.07
- 2 in the thousandths place = 0.002

Now we combine these components:

391.072 = 300 + 90 + 1 + 0.07 + 0.002

Now, let’s analyze the options:

A. 3,000 + 90 + 1 + 0.07 + 0.002 - This equals 3,091.072 (incorrect).
B. 300 + 90 + 1 + 0.07 + 0.002 - This equals 391.072 (correct).
C. 300 + 9 + 1 + 0.07 + 0.002 - This equals 310.072 (incorrect).
D. 300 + 10 + 9 + 0.7 + 0.02 - This equals 319.72 (incorrect).

The correct answer is **B. 300 + 90 + 1 + 0.07 + 0.002**.