Which Response Has the Correct Number of Significant Figures and Units

question 55

Multiple Choice

Which response has the correct number of significant figures and units for the following mathematical operation? ? $9.23 \times 10 ^ { 5 } \mathrm { ergs } \times \frac { 1.000 \mathrm {~J} } { 1.000 \times 10 ^ { 7 } \mathrm { ergs } } \times \frac { 1.000 \mathrm { cal } } { 4.184 \mathrm {~J} } \times \frac { 1 \mathrm { kcal } } { 1000 \mathrm { cal } }$

• A) 2.206 × 10^-5 J/cal
• B) 2 × 10^-5 kcal
• C) 2.206 × 10^-5 kcal
• D) 2.21 × 10^-5 kcal
• E) 2.2 × 10^-5 kcal

---

Definitions:

Occipital Cortex

The region of the cerebral cortex at the back of the brain, primarily involved in processing visual information.

Sensation Area

The sensation area refers to regions within the brain responsible for processing sensory input from the environment, such as areas in the cortex dedicated to vision, hearing, touch, taste, and smell.

Finger Movements

The actions or movements of the fingers, which can be fine motor skills involving careful control and coordination of the fingers.

Hippocampal Cortex

A part of the brain within the temporal lobe, crucial for memory formation and spatial navigation.