Question

which of the following number
is in standard form
a)21.56×10to the power of 5
b)215.6×10to the power of 4
c)2.156×10 to the power of 6
d)none of these​

Answer 1

Answer:

d - none of these

I hope it helps

please mark as brainliest

Answer 2

Answer:

Step-by-step explanation:

2156 can be written as;

215.6*10^1

21.56*10^2

2.156*10^3

0.2156*10^4

so optiond