1 m = 100 cm
Multiply:
100 * 400 = 40000
So she ran 40,000 centimeters.
Let

, where

and let

be any real constant.
Given this definition of scalar multiplication, we can see right away that there is no identity element

such that

because
Answer:
1. 110
2. 84
Step-by-step explanation:
Answer:
7(3^2) + 2(3).
That equals to 7(9) + 2(3).
That equals to 63 + 6.
That finally equals to 69.
Step-by-step explanation: