By rounding to 1 significant figure, estimate 392.72 divided by 8.44

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Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t