Choose the One Alternative That Best Completes the Statement or Answers

question 277

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
-The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function $$M ( x ) = \log \left( \frac { x } { x _ { 0 } } \right) \text {, where } x _ { 0 } = 10 ^ { - 3 }$$ What would be the readings x (to the nearest tenth) for magnitudes of 4.5 and 7.5?

• A) 653.2 and 875.1
• B) 2.7 and 2.9
• C) 2 and 2.6
• D) 3.7 and 3.9

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Definitions:

Concrete Operational

This term refers to Piaget's stage of cognitive development where children aged 7 to 11 years can think logically about concrete events and understand the concept of conservation.

Insecurely Attached Infants

Babies who exhibit anxiety or avoidance in the parent-child relationship, often as a result of inconsistent care and affection from their caregivers.

Unfamiliar Setting

An environment or situation that is not known or experienced before.

Indifferent Toward Mothers

A behavioral observation in attachment theory where infants or young children show no preference between their mothers and complete strangers.