Question

Add the following two numbers in scientific notation.

Answer 1

Answer:

b) 3.31 × 10⁴

Explanation:

$\sf \rightarrow \left(3.11\cdot 10^4\right)+ \left(2\cdot 10^3\right)$

remove parenthesis

$\rightarrow \sf 3.11\cdot \:10^4+2\cdot \:10^3$

simplify

$\rightarrow \sf 31100+2000$

add the numbers

$\sf \rightarrow 33100$

convert to scientific form

$\sf \rightarrow 3.31 \ x \ 10^4$

Answer 2

Answer:

3.31 x 10^4

Step-by-step explanation:

3.111 x 10^4 is 31110

2 x 10^3 is 2000

31110 + 2000 = 33100 or 3.31 x 10^4