Answer:

Step-by-step explanation:
Using the rules of exponents
×
=
,
= 1
m² ×
× 
=
× 
=
× 
= 1 × 
= 
Answer: -40
Multiply 2 by 4.
8+4•3-30•2
Multiply 4 by 3
8+12-30•2
Multiply-30 by 2
8+12-60
Simplify by adding and subtracting:
Add 8 and 12
20-60
Subtract 60 from 20
-40
Answer:
Step-by-step explanation:
hhhh
First write the relationship in words: "What number is 35% of 400?"
Then write an equation to represent this relationship:

or, written another way

And then solve:

Then answer the question: "Adam has saved $140."