Transform 8.3 × 10 ^-7 in decimal notation.
A. 0.000 83
B. 0.000 008 3
C. 0.000 000 83
D. 0.000 000 083

Rewrite in specific notation the mass of a dust particle which is 0.000 000 000 735 kg.
A. 7.35 ×10 ^10
B. 73.5 ×10 ^10
C. 7.35 ×10 ^-10
D. 735 ×10 ^-10

The assessed value of a 24-karat gold necklace is PHP 2.8 × 10^7. Express it in standard form.
A. Php 28 000 000 000
B. Php 28 000 000
C. Php 2 800 000
D. Php 28 000

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