The keystrokes that Adi typed into the calculator to simplify the expression 4.2 × (10 – 6.4) are shown. 4.2 × 3.6

Which statement is true?

Adi’s keystrokes are correct.
Adi should have typed 42 – 6.4.
Adi should have typed 4.2 × 4.6.
Adi should have typed 42 + 6.4.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. kevin spins the spinner 180 times. kevin determines about how many times the spinner will land on red or green, and his work is shown below. -kevin has the formula reversed; it should be the total number of sections over the number of red or green sections. -kevin should have used a 4 in the numerator because there are 2 red sections and 2 green sections. -kevin should multiply by the number of sections in the spinner rather than the total number of spins. -kevin calculated the prediction correctly and did not make any mistakes.

£100.80 divided by 14 equals 7.2 how would we put this as money