Perform the Addition or Subtraction and Write the Result in Standard

question 98

Multiple Choice

Perform the addition or subtraction and write the result in standard form.
$$- ( 7.2 - 12.3 i ) - ( 8.1 - \sqrt { - 1.21 } )$$

• A) \(- 15.3 + 13.4 i\)
• B) \(0.9 + 13.4 i\)
• C) \(- 0.9 + 11.2 i\)
• D) \(- 15.3 + 11.2 i\)
• E) \(15.3 + 13.4 i\)

---

Definitions:

Secure Attachment

The ways that infants use their caregiver, usually their mother, as a secure base from which to explore the environment.

Caregiver

An individual responsible for providing physical and emotional care to someone who is unable to look after themselves due to age, illness, or disability.

Secure Base

A concept in attachment theory referring to the emotional and physical safety provided by a caregiver, enabling individuals to explore and interact with their environment confidently.

Harry Harlow

A psychologist known for his research on maternal separation, dependency needs, and social isolation experiments on rhesus monkeys.