If each division in the ocular micrometer below equals 25 micrometers, what is the length of the oval?

Rationale

The length of the oval is 100 micrometers.

In the given scenario, each division in the ocular micrometer is equivalent to 25 micrometers. If the oval spans across 4 divisions, then the total length of the oval is 4 divisions times 25 micrometers per division, which equals 100 micrometers.

A (500 micrometers) YOUR ANSWER

This option would be correct if the oval spanned across 20 divisions (20 divisions times 25 micrometers per division equals 500 micrometers). However, in this case, the oval only spans across 4 divisions, which equates to 100 micrometers.

B (200 micrometers) YOUR ANSWER

This would be the correct answer if the oval extended over 8 divisions (8 divisions times 25 micrometers per division equals 200 micrometers). As the oval only covers 4 divisions, the actual length is 100 micrometers, not 200 micrometers.

D (25 micrometers) YOUR ANSWER

This answer would be correct if the oval only spanned across a single division. However, the oval covers 4 divisions, and each division is 25 micrometers. Therefore, the total length of the oval is 100 micrometers, not 25 micrometers.

Conclusion

The length of an object in an ocular micrometer is calculated by multiplying the number of divisions that the object spans by the value of each division. In this case, the oval spans over 4 divisions, and each division is equivalent to 25 micrometers. Therefore, by multiplying the number of divisions by the value of each division, we find that the length of the oval is 100 micrometers.

If each division in the ocular micrometer below equals 25 micrometers, what is the length of the oval?

The length of the oval is 100 micrometers.

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