When is a zero considered significant?
Check all that apply.
O
A. When it is to the right of the decimal point and it follows a non-
zero digit.
O
B. When it is to the left of the decimal point and no other digit is to
the left of the decimal point.
c. When it is between two digits.
O
D. When it is at the end of an integer that has no decimal point.
SUBMIT

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards