Express the quantity in standard form. Include units in your answer. - The mass of the sun is 1.98892 x 10 to the power of 15 exagrams ( work it out for brainliest )

Can someone 50 first drop menu 0.80 or 0.75 or 1.20 or 4.00 second drop menu 4.00 or 0.75 or 0.25 or 3.75 3rd 15,6,10, or 9 4th yes or no

What is the frequency of the sinusoidal graph?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?