Agrain of sand weighs approximately 0.011 grams. there are approximately 7.5 x 10^18 grains of sand in the world. using scientific notation, calculate approximately how much all the grains of sand in the world weigh (in grams). show and explain your work, rounding to the nearest hundredth; answer in a complete sentence.

All points to the left of zero on a horizontal number line are negative. a number line is a picture of a graduated straight line that serves as abstraction for real numbers. this number line can be extended to the left to represent numbers which are smaller than 0. such numbers are called negative numbersmark me brainliest