(2.6 × 103) ÷ (1.6 × 10-1) = _____ . (Give your answer in correct scientific notation)

200.0K = ? °F

9 is 25% of what number?

Multiply measurements of 12.38 m and 4.35 m and round appropriately.  

A 6-month-old infant shows no interest when their parent hides a favorite toy behind a curtain during a game a of peek-a-boo. According to Jean Piaget’s theory of cognitive development, this behavior demonstrates a lack of ______  ___ which is a cognitive milestone typically achieved later in the sensorimotor stage of development.

Understanding the physical reality of death requires consideration of it’s socioemotional features. __________________ proposed a stage model of confronting death. 

Al goes out one frosty morning to find that his car is covered with a layer of thick frost. He needs to get to work and looks for his ice scraper. Unable to find it, he thinks for a moment, goes into the house, and returns with a hard plastic spatula from the kitchen. In using the spatula as a makeshift ice scraper, Al has overcome _______________________.

Deanna reads that horses are a type of animal and palominos are a type of horse. To understand this, she organizes these ideas into a hierarchy that includes ________________ at the superordinate level.

Thoughts and images are central in the sexual lives of humans. Sexual scripts influence sexual behavior, as do sensory/perceptual factors.

What is another name for a “rule of thumb”?