Answer:
4
Step-by-step explanation:
2^4 - (2^3 +2^2)
Exponents
16 - (8+4)
Parentheses
16 - (12)
Subtract
4
Answer:
Step-by-step explanation:
ポイントをありがとう
Answer:
312 cm squared
Step-by-step explanation:
120 + 192 = 312
Magnesium makes up 1/400 of the human body
The correct answer is option C : 0.0625g <span>of one gram of radium-226 will remain unchanged after four half-lives. </span>