, 05.02.2020 13:46 1910153

# Aquiz consists of 4 true-false questions. what is the probability of getting 100% on the quiz by randomly guessing the answer to all 4 questions?

### Another question on Mathematics

Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15â‹…10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65â‹…10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Mathematics, 21.06.2019 18:00
The ratio of wooden bats to metal bats in the baseball coachâ€™s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?
Mathematics, 21.06.2019 22:10
Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.
Mathematics, 21.06.2019 23:20
Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?