Estimate the Number of Dollar Bills (15 $\times$ 10³ Km) $\times$ 10⁺⁸
B) 2

question 13

Multiple Choice

Estimate the number of dollar bills (15.5 cm) put end to end it would take to circle the earth (radius = 6.40 $\times$ 10³ km) .

• A) 9.5 \(\times\) 10⁺⁸
• B) 2.6 \(\times\) 10⁺⁸
• C) 3.7 \(\times\) 10⁺⁷
• D) 1.2 \(\times\) 10⁺⁷
• E) 8.5 \(\times\) 10⁺⁶

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Definitions:

IgM

Immunoglobulin M (IgM) is a type of antibody that is produced by the body's immune system in response to a foreign antigen.

IgD

IgD is a class of antibodies (immunoglobulins) that plays a crucial role in the immune system, mainly found on the surface of immature B cells.

Clonal Reproduction

A form of asexual reproduction where offspring arise from a single parent, inheriting the genes of that parent only, resulting in genetically identical individuals.

Plasma Cells

A type of white blood cell that produces antibodies to fight off infections.