Answer:
1.9 × 
Step-by-step explanation:
To calculate the population in New York we require to multiply
7600 × 2.5 ×
← express 7600 in scientific notation
= 7.6 ×
× 2.5 × 
= (7.6 × 2.5) × 
= 19 ×
← express 19 in scientific notation
= 1.9 ×
× 
= 1.9 × 
= 1.9 × 
Answer:
90b grams.
Step-by-step explanation:
Given that,
Weight of a box = 90 grams
We need to find the weight of b boxes.
For this, we can use unitary method. The weight of one box is given then we can find the weight of many boxes.
i.e.
Weight of b boxes = 90×b
= 90b grams
Hence, the weight of b boxes is 90b grams.
42+2n=5.5n
3.5n=42
n=12
Cost the same amount would be for 12 classes
Answer:
$127.50
Step-by-step explanation:
All you have to do is $125 times 1.02 because it is adding to the price it is already.
$125 × 1.02.
Which is $127.50.
Answer:
B
Step-by-step explanation: