Answer:
D
Step-by-step explanation:
x^2=49 -> 7
x^2=-49 -> -7
really need brainliest - it would be appreciated
Standard Form:
a) 0.00000678
b) 3170000
Scientific Notation:
a) 6 ×
b) 6.78 ×
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what is the question please explain
A
I just answered it