(7.8×10⁷)+(9.9×10⁷)
(7.8×10000000)+(9.9×10000000)
(78000000)+(99000000)
177000000
Answer: See below
Step-by-step explanation:
4 parts of the whole are shaded, and there are a total of 10 parts
So the fraction is: 4/10
Simplifying by dividing both the numerator and denominator by 2 would give <em>2/5</em>
Decimal: 4 divided by 10 is 0.4
Percentage: Decimal * 100 = 0.4 * 100 = 40%
23-11=12
She spent $12 on notebooks, and she bought six notebooks.
12/6=2
Each notebook costed $2.
Answer:
226 dollars
Step-by-step explanation:
Bryan = 176
Jamie = 88
Nancy = 226
Answer:
-2.5
Step-by-step explanation:
This is half way between -2 and -3