For the Following, I) Use a Calculator to Subtract; and (Ii)

question 3

Multiple Choice

For the following, i) use a calculator to subtract; and (ii) round the numbers to the nearest whole number and subtract to obtain an estimate of the true difference. $9.1379$ $\begin{array}{llcc} \text {\(- 1.21159\) } & \text { } \\\hline\end{array}$

• A) (i) 7.92631; (ii) 8
• B) (i) 8.92641; (ii) 9
• C) (i) 8.12832; (ii) 10
• D) (i) 8.92641; (ii) 8
• E) (i) 7.92631; (ii) 9

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Definitions:

Shale

A fine-grained sedimentary rock formed from clay-sized particles that are compacted and often used as source rock for oil and gas.

Carbonate Rocks

Sedimentary rocks primarily composed of carbonate minerals, such as limestone and dolomite, often formed in marine environments.

Lagoon Mudstone

A type of sedimentary rock formed from the compaction of mud accumulated in a lagoon environment, characterized by fine grains and layers.

Beach Sandstone

A type of sedimentary rock formed from compacted and lithified grains of sand, typically found in coastal environments.