Question

Chemistry questions?
1. Perform the operation
(1.49 cg) + (0.246 g) .
Answer in units of g?

2. Perform the operation
(7.279 × 10^9 cg) − (6.14 × 10^7 g) .
Answer in units of g?

3. Perform the operation
(0.00084 m) × (2.26 cm) .
Answer in units of m^2?

4. Perform the operation
0.00321 cg/67800 mL
Answer in units of g/mL?

Answer 1

Use a calculator.

Answer 2

just calculate these measurements.

Answer 3

You will also need to do some conversions. 100 cg = 1 g

Answer 4

100 cm = 1 m

Answer 5

For example, 1.49 cg (1 g/100 cg) = 0.0149 g

Answer 6

Now that you have the same units, you can add using a calculator.