Express the Sum of 420

question 41

Short Answer

Express the sum of 420.77, 13.821, and 2317.8 to the correct number of significant figures.

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Definitions:

Piaget and Vygotsky

Prominent theorists in developmental psychology, Jean Piaget is known for his theory of cognitive development, while Lev Vygotsky is famous for his theory on social development and the concept of the Zone of Proximal Development.

Reading Instruction

The process and methodologies used to teach individuals how to read, including phonics, word recognition, and comprehension strategies.

Whole-language Approaches

Educational methods that focus on understanding and using language in its entirety rather than breaking it down into its components like phonics.

Phonetic-fluency Approaches

Phonetic-fluency approaches focus on the ease and speed with which phonetic elements of speech are processed and how this influences language learning and comprehension.