By rounding to 1 significant figure, estimate306.9÷6.4

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

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Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin