These problems I really don't understand and really need serious help :)
1.What the product of (5.1 x 10^3)x
(3.2 x 10^3)?(Please express your answer in scientific notation)
16.32 x 10^6 ....
1.632 x 10^7
16.32 x 10^9
1.632 x 10^10
2.What is the product of (7.28 x 10^-2)x(9.1 x 10^-2)? (Please express your answer in scientific notation)
6.6248 x 10^-3
66.248 x 10^-4 .....
6.6248 x 10^4
66.248 x 10^-3
3.What is the quotient of (2.965 x 10^7)
:(5x10^3)? :=divide
14.825 x 10^4
5.93 x 10^5
14.825 10^5
5.93 10^3 .....
4.Find the product.(4.0 x 10^-2)x
(5.2 x 10^8)
20.8 x 10^8 ....
2.08 x 10^7
2.08 x 10^6
20.8 x 10^7
Okay if you submitted those answers you made a 50 like me. but i suppose that's what i get right. The answers are actually
B
A
D
B
William is correct
B
A
D
B
Thx William and YOLO. Got 100%. :D
1. Correct
2. Correct
3. Correct
4. Is B, not A. You need to watch how many digit spaces each one has.
A. 20.8 x 10^8 = 2,080,000,000
B. 2.08 x 10^7 = 20,800,000
So, B is the answer.
I hope this helps! :)