Question

Medals Given


Question 2 (Multiple Choice Worth 1 points)

[1.03]
Which list shows one possible correct order of operations that should be performed to simply the expression 3 - (13 • 2 + 1)?

Subtraction, Exponent, Multiplication, Addition

Exponent, Multiplication, Subtraction, Addition

Exponent, Multiplication, Addition, Subtraction

Subtraction, Addition, Exponent, Multiplication

Question 3 (Multiple Choice Worth 1 points)

[1.04]
Which property states that changing the grouping of the factors does not change the product?

Identity Property of Multiplication

Distribution Property

Associative Property of Multiplication

Commutative Property of Multiplication

Answer 1

A seamstress has 1/4 of a foot of thread.then she uses 1/5 of a foot of thread to sew a hole.how much of the thread is left?

A.9/20
B.3/20
C.1/20
D.1/16

Answer 2

C. 1/20