Question

Which number is not in scientific notation? (1 point) 1.10 ⋅ 103 4.0 ⋅ 1016 7.03 ⋅ 10−2 350 ⋅ 102

Answer 1

The scientific notation:

`a\cdot10^k`

Where 1 ≤ a < 10 and k ∈ Z.

`1.10\cdot10^3\to\boxed{YES}\\\\4.0\cdot10^(16)\to\boxed{YES}\\\\7.03\cdot10^(-2)\to\boxed{YES}\\\\350\cdot10^2\to\boxed{NO}\ \text{because a = 350 is greater than 10.}`

Answer 2

350 ⋅ 10^2

Explanation:

For a number to be in scientific notation, it has one (non zero) number before the decimal and is a power of 10

1.10 ⋅ 10^3

4.0 ⋅ 10^16

7.03 ⋅ 10−2

350 ⋅ 10^2 This has 3 numbers before the decimal.