Question

49*7^-3 49 умножить на 7 в -3 степени

Answer 1

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Answer 2

To calculate 49 multiplied by 7 raised to the power of -3, you follow the order of operations, which is:

1. First, perform the exponentiation (power) operation.
2. Then, perform the multiplication operation.

Here's how you do it step-by-step:

Step 1: Calculate 7 raised to the power of -3: 7^-3 = 1 / (7^3) = 1 / (7 * 7 * 7) = 1 / 343 ≈ 0.00291545 (rounded to 5 decimal places).

Step 2: Multiply 49 by the result from Step 1: 49 * 7^-3 ≈ 49 * 0.00291545 ≈ 0.142857 (rounded to 6 decimal places).

So, 49 multiplied by 7 raised to the power of -3 is approximately 0.142857.