How can I do scientific notation

Susan put all her crayons in a container. Of the 160 crayons in the container, 25% of them are red, 45% are blue, 10% are yellow, and 20% are orange which proportion can be use to find the total number of blue (b) crayons?

What do you get when you split 100 into thirds?

He number line below represents which combined inequality? number line with a closed circle on negative 2, shading to the left and a closed circle on 4, shading to the right x greater than or equal to - 2 or x less than or equal to 4 x greater than

Ill rate you the brainliest if right! In the expression 3x2y + 4x - 5x2y, are the terms 3x2y and - 5x2y like terms? Explain by providing support for your answer.

Gordan and Harry had 340 marble, altogether. After Gordan gave away 2/5 of his marbles and harry gave away 20 of his marbles, they had the same number of marbles left. How many marbles did Harry have in the end? Remember to draw the model

Which equation represents a line which a perpendicular to the line y=4x-7?

ABC is a right angled triangle. if B = 90°, AC = 96 cm, C = 30°. Whats AB

Who said "a formal manipulator in mathematics often experience the discomforting feeling that his pencil surpasses him in intelligence"?

Circle Y has a center at (2,3) and a radius of 4. Circle Z has a center at (2,-3) and a radius of 10. What is the scale factor of all radii of circle Y to all radii of circle Z?

What fraction of 1 gallon is five cups