Information: Adding and Subtracting Using Scientific Notation Whenever you add or subtract two numbers in scientific notation, you must make sure that they have the same
exponents. Your answer will then have the same exponent as the numbers you add or subtract. Here are some
examples. Make sure you understand each step:

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.

i just learnt this recently but i need to look through my notes again