True or false:
4.2x10'
2.1x105
is equal to 2. 1 x 104.
1 answer
False. 4.2x10^5 is equal to 4.2 multiplied by 10 raised to the power of 5, which is 420,000. 2.1x10^4 is equal to 2.1 multiplied by 10 raised to the power of 4, which is 21,000. Therefore, they are not equal.