2 years ago

Can somebody please help me either these two

Mathematics

2 answers:

Zarrin [17]2 years ago

4 0

1. 8.96 x 105 I think
2. <span>4.25 x 10-4
</span>

pochemuha2 years ago

4 0

Problem 1.

9.3 * 10^7 - 3.4 * 10^6 =

You need the same exponent:

= 9.3 * 10^7 - 0.34 * 10^7

= 8.96 * 10^7

Problem 2.

0.00045 - 2.5 * 10^(-5) =

= 45 * 10^(-5) - 2.5 * 10^(-5)

= 42.5 * 10^(-5)

= 4.25 * 10^(-4)

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