3.86 x 10^26 cm to ft in scientific notation and round to significant figures ​

What does x represent in the formula for the compound xcl4?

Why does his teacher ask him to balance the equation by including the correct coefficient

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe