Mathematics
Mathematics, 10.11.2020 20:40, gabby640

The number of known elements changed very rapidly over a 150-year period. There were 62 known elements in the mid-1800s. How many known elements
(total) are there today?
A.98 b.111 C.118 D.125

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, yungkxng57
What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication
Answers: 1
image
Mathematics, 21.06.2019 18:00, Sanchezj104
Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items
Answers: 3
image
Mathematics, 21.06.2019 19:30, morganamandro9437
[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)
Answers: 1
image
Mathematics, 21.06.2019 19:30, lizzyhearts
Me find the value of x each figure.
Answers: 1
Do you know the correct answer?
The number of known elements changed very rapidly over a 150-year period. There were 62 known eleme...

Questions in other subjects: