Answer:

• Lets multiply 400 by 5.250.8 first

400 x 5.250.8 = 2100.32

• Next, let's subtract 2100.32 by 2

2100.32 - 2 = 2100.30

• And last, let's multiply 2100.30 by 3

• 2100.30 x 3 = 6300.9

The final answer is 6300.9

Hope it's help you! ☺️

Step-by-step explanation:

Solving Steps

400 × (5.25 × 0.8) - 2 × 3

↓

↓ Calculate the product or quotient

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↓ 400 × 4.2 - 2 × 3

↓

↓ Calculate the product or quotient

↓

400 × 4.2 - 6

↓

↓ Calculate the product or quotient

↓

1680 - 6

↓

↓ Calculate the sum or difference

↓

1674

Answer

1674

1.674 × 10³