Solve the Problem $\log 5 \approx 0.6990$ And $\log 9 \approx 0.9542$

question 295

Multiple Choice

Solve the problem.
-Given that $\log 5 \approx 0.6990$ and $\log 9 \approx 0.9542$ , use the properties of logarithms to approximate the following. Do not use a calculator.
$\log \frac { 5 } { 81 }$

• A) \(2.6074\)
• B) \(- 0.2115\)
• C) \(0.7677\)
• D) \(- 1.2094\)

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Definitions:

Ventricular Contraction

The phase of the cardiac cycle where the ventricles contract, pumping blood out of the heart into the pulmonary and systemic circuits.

Stroke Volume

The volume of blood pumped out by the left ventricle with each heartbeat.

Venous Return

The flow of blood back to the heart through the veins, crucial for maintaining circulatory system equilibrium.

Arterial Blood Pressure

The force exerted by circulating blood upon the walls of arteries, crucial for body function.