Indices and Standard Form

Write 800.625 in standard form.

(a)  

Write 950 000 000 in standard form.

(a)  

Write 0.005 in standard form.

(a)  

Write 140 million people in standard form.

(a)  

Write 6.365 x 10^3 in ordinary number.

(a)  

Write 7.35 x 10^-1 in ordinary number.

(a)  

Write 0.0001676 in standard form to 2 significant figures

(a)  

Calculate 5.25 x 10^6 + 3.4 x 10^5. Give your answer in standard form.

(a)  

Calculate 4.12 x 10^-4 - 6.5 x 10^-2. Give your answer in standard form to 2 significant figures.

(a)