T2 Week 2 - Numbers of any magnitude

List the following in ascending order $8.2\times10^{-5},\ 8\times10^{-6},\ 8.04\times10^{-5}\ ,\ 7.9\times10^{-6}$  

•  $7.9\times10^{-6},\ 8\times10^{-6},\$  $8.04\times10^{-5},\ 8.2\times10^{-5}$  

•  $8\times10^{-6},\ 7.9\times10^{-6},\$  $8.04\times10^{-5}\ ,\ 8.2\times10^{-5}$  

•  $7.9\times10^{-6},\ 8\times10^{-6},\$   $8.04\times10^{-5}\ ,\ 8.2\times10^{-5}$  

•  $7.9\times10^{-6},\ 8.04\times10^{-5}$   $8.04\times10^{-5}\ ,\ 8.2\times10^{-5}$  

Which option is written in descending order

•  $\ 2.1\times10^{26},\ 1.7\times10^{10}$   $4.7\times10^{21},\ 7.7\times10^{18},$  

•  $2.1\times10^{26},\ 4.7\times10^{21},\$   $7.7\times10^{18},\ \ 1.7\times10^{10}$  

•  $\ 2.1\times10^{26},\ \ \ 1.7\times10^{10}$   $7.7\times10^{18},\ 4.7\times10^{21},$  

•  $1.7\times10^{10},\ 7.7\times10^{18},\$   $4.7\times10^{21},\ \ 2.1\times10^{26}$  

Calculate the following $6.2\times10^7\ \ \ \ \times\ \ \ 1.4\times10^{-2}$  and express your answer in scientifci notation

•  $8.68\ \times10^5$  

•  $86.8\ \times10^5$  

•  $86.8\ \times10^4$  

•  $868\ 000$  

Calculate the following $\frac{5.8\times10^6\ }{1.45\times10^{-3}}\$  and express your answer in scientifci notation

•  $4\ 000\ 000\ 000$  

•  $40\ \times10^9$  

•  $4\ \times10^9$  

•  $0.4\times10^{10}$  

Calculate the following $\frac{5.8\times10^6\ }{1.45\times10^{-3}}\$  and express your answer in scientific notation

•  $4\ 000\ 000\ 000$  

•  $40\ \times10^9$  

•  $4\ \times10^9$  

•  $0.4\times10^{10}$  

Select the option that have been correctly converted. There is more than 1 correct answer.

• 16 km = 1 600 000 cm

• 23 700 000 mL = 23.7kL

• $3.2\ \times10^6$ kB = 3.2GB

• 604 800 min = 5 days