Express 0.000000015 in scientific notation

What is blank times blank equals 49

A flu outbreak occurred in a military barracks that housed 50 soldiers. Case A began on October 1 and case B was diagnosed on October 2. After approximately 10 days, 36 additional cases occurred during approximately a one-week time span.

Gle B measures 60°. What is the measure of the angle that is complementary to angle B?

X² (x+4) can you show me how to answer this question?

The sale price of ground beef at a local grocery store is $1.49 for the first pound and $1.09 for each additional pound. Which function rule shows how the cost y of ground beef varies with the number of pounds x?

Damian is paid $1,980 monthly. What is his annual salary? A) $165 B) $47,520 C) $23,760 D) $102,960

In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 * 105 J of internal energy. (a) One player, dressed too lightly for the weather, has to leave the game after losing 6.7 * 105 J of heat.

If every triangle consists of 180 degrees, then how many degrees would a square have?

In a survey of a community, it was found that 75% of the people like milk and 60% like curd. If there were none who did not like both then what percent of people like both and what percent were there who like curd only?

What is the value of log 43?